Home / 292,538.28-438,475.58-134,440.12

Finding the Fourth Proportional to 292,538.28, 438,475.58 and 134,440.12

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Solution

The fourth proportional to 292,538.28, 438,475.58 and 134,440.12 is: 201,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,538.28 : 438,475.58 = 134,440.12 : x
  2. Step 2: Convert to fraction form
    292,538.28/438,475.58 = 134,440.12/x
  3. Step 3: Cross multiply
    292,538.28x = 438,475.58 × 134,440.12
  4. Step 4: Simplify right side
    292,538.28x = 58,948,709,592.27
  5. Step 5: Solve for x
    x = 58,948,709,592.27/292,538.28
  6. Step 6: Final answer
    x = 201,507.68

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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.