Home / 316,077.30-474,037-123,990.76

Finding the Fourth Proportional to 316,077.30, 474,037 and 123,990.76

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Solution

The fourth proportional to 316,077.30, 474,037 and 123,990.76 is: 185,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,077.30 : 474,037 = 123,990.76 : x
  2. Step 2: Convert to fraction form
    316,077.30/474,037 = 123,990.76/x
  3. Step 3: Cross multiply
    316,077.30x = 474,037 × 123,990.76
  4. Step 4: Simplify right side
    316,077.30x = 58,776,207,898.12
  5. Step 5: Solve for x
    x = 58,776,207,898.12/316,077.30
  6. Step 6: Final answer
    x = 185,955.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.