Home / 171,117.18-256,461.93-82,346.85

Finding the Fourth Proportional to 171,117.18, 256,461.93 and 82,346.85

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Solution

The fourth proportional to 171,117.18, 256,461.93 and 82,346.85 is: 123,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,117.18 : 256,461.93 = 82,346.85 : x
  2. Step 2: Convert to fraction form
    171,117.18/256,461.93 = 82,346.85/x
  3. Step 3: Cross multiply
    171,117.18x = 256,461.93 × 82,346.85
  4. Step 4: Simplify right side
    171,117.18x = 21,118,832,080.42
  5. Step 5: Solve for x
    x = 21,118,832,080.42/171,117.18
  6. Step 6: Final answer
    x = 123,417.37

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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.