Home / 147,471.60-221,177.70-42,262.32

Finding the Fourth Proportional to 147,471.60, 221,177.70 and 42,262.32

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Solution

The fourth proportional to 147,471.60, 221,177.70 and 42,262.32 is: 63,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,471.60 : 221,177.70 = 42,262.32 : x
  2. Step 2: Convert to fraction form
    147,471.60/221,177.70 = 42,262.32/x
  3. Step 3: Cross multiply
    147,471.60x = 221,177.70 × 42,262.32
  4. Step 4: Simplify right side
    147,471.60x = 9,347,482,734.26
  5. Step 5: Solve for x
    x = 9,347,482,734.26/147,471.60
  6. Step 6: Final answer
    x = 63,384.97

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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.