Home / 134,129.40-201,144.29-39,335.10

Finding the Fourth Proportional to 134,129.40, 201,144.29 and 39,335.10

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Solution

The fourth proportional to 134,129.40, 201,144.29 and 39,335.10 is: 58,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,129.40 : 201,144.29 = 39,335.10 : x
  2. Step 2: Convert to fraction form
    134,129.40/201,144.29 = 39,335.10/x
  3. Step 3: Cross multiply
    134,129.40x = 201,144.29 × 39,335.10
  4. Step 4: Simplify right side
    134,129.40x = 7,912,030,564.90
  5. Step 5: Solve for x
    x = 7,912,030,564.90/134,129.40
  6. Step 6: Final answer
    x = 58,988.04

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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.