Home / 316,255.19-474,538.60-147,787.13

Finding the Fourth Proportional to 316,255.19, 474,538.60 and 147,787.13

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Solution

The fourth proportional to 316,255.19, 474,538.60 and 147,787.13 is: 221,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,255.19 : 474,538.60 = 147,787.13 : x
  2. Step 2: Convert to fraction form
    316,255.19/474,538.60 = 147,787.13/x
  3. Step 3: Cross multiply
    316,255.19x = 474,538.60 × 147,787.13
  4. Step 4: Simplify right side
    316,255.19x = 70,130,699,139.30
  5. Step 5: Solve for x
    x = 70,130,699,139.30/316,255.19
  6. Step 6: Final answer
    x = 221,753.52

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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.