Home / 147,572.22-221,281.47-52,765.86

Finding the Fourth Proportional to 147,572.22, 221,281.47 and 52,765.86

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Solution

The fourth proportional to 147,572.22, 221,281.47 and 52,765.86 is: 79,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,572.22 : 221,281.47 = 52,765.86 : x
  2. Step 2: Convert to fraction form
    147,572.22/221,281.47 = 52,765.86/x
  3. Step 3: Cross multiply
    147,572.22x = 221,281.47 × 52,765.86
  4. Step 4: Simplify right side
    147,572.22x = 11,676,107,066.61
  5. Step 5: Solve for x
    x = 11,676,107,066.61/147,572.22
  6. Step 6: Final answer
    x = 79,121.31

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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.