Home / 134,598.92-185,754.65-74,169.45

Finding the Fourth Proportional to 134,598.92, 185,754.65 and 74,169.45

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Solution

The fourth proportional to 134,598.92, 185,754.65 and 74,169.45 is: 102,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,598.92 : 185,754.65 = 74,169.45 : x
  2. Step 2: Convert to fraction form
    134,598.92/185,754.65 = 74,169.45/x
  3. Step 3: Cross multiply
    134,598.92x = 185,754.65 × 74,169.45
  4. Step 4: Simplify right side
    134,598.92x = 13,777,319,854.60
  5. Step 5: Solve for x
    x = 13,777,319,854.60/134,598.92
  6. Step 6: Final answer
    x = 102,358.33

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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.