Home / 147,112.80-220,608.72-58,354.08

Finding the Fourth Proportional to 147,112.80, 220,608.72 and 58,354.08

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Solution

The fourth proportional to 147,112.80, 220,608.72 and 58,354.08 is: 87,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,112.80 : 220,608.72 = 58,354.08 : x
  2. Step 2: Convert to fraction form
    147,112.80/220,608.72 = 58,354.08/x
  3. Step 3: Cross multiply
    147,112.80x = 220,608.72 × 58,354.08
  4. Step 4: Simplify right side
    147,112.80x = 12,873,418,895.58
  5. Step 5: Solve for x
    x = 12,873,418,895.58/147,112.80
  6. Step 6: Final answer
    x = 87,507.13

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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.