Home / 134,719.11-185,908.10-74,292.30

Finding the Fourth Proportional to 134,719.11, 185,908.10 and 74,292.30

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Solution

The fourth proportional to 134,719.11, 185,908.10 and 74,292.30 is: 102,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.11 : 185,908.10 = 74,292.30 : x
  2. Step 2: Convert to fraction form
    134,719.11/185,908.10 = 74,292.30/x
  3. Step 3: Cross multiply
    134,719.11x = 185,908.10 × 74,292.30
  4. Step 4: Simplify right side
    134,719.11x = 13,811,539,966.17
  5. Step 5: Solve for x
    x = 13,811,539,966.17/134,719.11
  6. Step 6: Final answer
    x = 102,521.02

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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.