Home / 134,182.48-185,143.56-74,565.20

Finding the Fourth Proportional to 134,182.48, 185,143.56 and 74,565.20

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Solution

The fourth proportional to 134,182.48, 185,143.56 and 74,565.20 is: 102,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,182.48 : 185,143.56 = 74,565.20 : x
  2. Step 2: Convert to fraction form
    134,182.48/185,143.56 = 74,565.20/x
  3. Step 3: Cross multiply
    134,182.48x = 185,143.56 × 74,565.20
  4. Step 4: Simplify right side
    134,182.48x = 13,805,266,580.11
  5. Step 5: Solve for x
    x = 13,805,266,580.11/134,182.48
  6. Step 6: Final answer
    x = 102,884.27

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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.