Home / 134,705.52-185,889.96-74,275.20

Finding the Fourth Proportional to 134,705.52, 185,889.96 and 74,275.20

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Solution

The fourth proportional to 134,705.52, 185,889.96 and 74,275.20 is: 102,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,705.52 : 185,889.96 = 74,275.20 : x
  2. Step 2: Convert to fraction form
    134,705.52/185,889.96 = 74,275.20/x
  3. Step 3: Cross multiply
    134,705.52x = 185,889.96 × 74,275.20
  4. Step 4: Simplify right side
    134,705.52x = 13,807,013,956.99
  5. Step 5: Solve for x
    x = 13,807,013,956.99/134,705.52
  6. Step 6: Final answer
    x = 102,497.76

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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.