Home / 147,566.80-221,314.20-42,374.80

Finding the Fourth Proportional to 147,566.80, 221,314.20 and 42,374.80

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Solution

The fourth proportional to 147,566.80, 221,314.20 and 42,374.80 is: 63,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,566.80 : 221,314.20 = 42,374.80 : x
  2. Step 2: Convert to fraction form
    147,566.80/221,314.20 = 42,374.80/x
  3. Step 3: Cross multiply
    147,566.80x = 221,314.20 × 42,374.80
  4. Step 4: Simplify right side
    147,566.80x = 9,378,144,962.16
  5. Step 5: Solve for x
    x = 9,378,144,962.16/147,566.80
  6. Step 6: Final answer
    x = 63,551.86

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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.