Home / 171,926,282.30-257,889,423.45-85,832,840.30

Finding the Fourth Proportional to 171,926,282.30, 257,889,423.45 and 85,832,840.30

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Solution

The fourth proportional to 171,926,282.30, 257,889,423.45 and 85,832,840.30 is: 128,749,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,926,282.30 : 257,889,423.45 = 85,832,840.30 : x
  2. Step 2: Convert to fraction form
    171,926,282.30/257,889,423.45 = 85,832,840.30/x
  3. Step 3: Cross multiply
    171,926,282.30x = 257,889,423.45 × 85,832,840.30
  4. Step 4: Simplify right side
    171,926,282.30x = 22,135,381,698,042,924
  5. Step 5: Solve for x
    x = 22,135,381,698,042,924/171,926,282.30
  6. Step 6: Final answer
    x = 128,749,260.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.