Home / 134,532.50-185,585.38-86,710.10

Finding the Fourth Proportional to 134,532.50, 185,585.38 and 86,710.10

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Solution

The fourth proportional to 134,532.50, 185,585.38 and 86,710.10 is: 119,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,532.50 : 185,585.38 = 86,710.10 : x
  2. Step 2: Convert to fraction form
    134,532.50/185,585.38 = 86,710.10/x
  3. Step 3: Cross multiply
    134,532.50x = 185,585.38 × 86,710.10
  4. Step 4: Simplify right side
    134,532.50x = 16,092,125,713.64
  5. Step 5: Solve for x
    x = 16,092,125,713.64/134,532.50
  6. Step 6: Final answer
    x = 119,615.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.