Home / 134,546.46-185,688.70-74,123.30

Finding the Fourth Proportional to 134,546.46, 185,688.70 and 74,123.30

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Solution

The fourth proportional to 134,546.46, 185,688.70 and 74,123.30 is: 102,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,546.46 : 185,688.70 = 74,123.30 : x
  2. Step 2: Convert to fraction form
    134,546.46/185,688.70 = 74,123.30/x
  3. Step 3: Cross multiply
    134,546.46x = 185,688.70 × 74,123.30
  4. Step 4: Simplify right side
    134,546.46x = 13,763,859,216.71
  5. Step 5: Solve for x
    x = 13,763,859,216.71/134,546.46
  6. Step 6: Final answer
    x = 102,298.19

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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.