Home / 135,926.59-203,889.88-42,440.35

Finding the Fourth Proportional to 135,926.59, 203,889.88 and 42,440.35

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Solution

The fourth proportional to 135,926.59, 203,889.88 and 42,440.35 is: 63,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,926.59 : 203,889.88 = 42,440.35 : x
  2. Step 2: Convert to fraction form
    135,926.59/203,889.88 = 42,440.35/x
  3. Step 3: Cross multiply
    135,926.59x = 203,889.88 × 42,440.35
  4. Step 4: Simplify right side
    135,926.59x = 8,653,156,849.21
  5. Step 5: Solve for x
    x = 8,653,156,849.21/135,926.59
  6. Step 6: Final answer
    x = 63,660.52

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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.