Home / 148,109.12-221,962.31-62,648.90

Finding the Fourth Proportional to 148,109.12, 221,962.31 and 62,648.90

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Solution

The fourth proportional to 148,109.12, 221,962.31 and 62,648.90 is: 93,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,109.12 : 221,962.31 = 62,648.90 : x
  2. Step 2: Convert to fraction form
    148,109.12/221,962.31 = 62,648.90/x
  3. Step 3: Cross multiply
    148,109.12x = 221,962.31 × 62,648.90
  4. Step 4: Simplify right side
    148,109.12x = 13,905,694,562.96
  5. Step 5: Solve for x
    x = 13,905,694,562.96/148,109.12
  6. Step 6: Final answer
    x = 93,888.17

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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.