Home / 147,741.86-221,617.65-47,902.88

Finding the Fourth Proportional to 147,741.86, 221,617.65 and 47,902.88

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Solution

The fourth proportional to 147,741.86, 221,617.65 and 47,902.88 is: 71,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,741.86 : 221,617.65 = 47,902.88 : x
  2. Step 2: Convert to fraction form
    147,741.86/221,617.65 = 47,902.88/x
  3. Step 3: Cross multiply
    147,741.86x = 221,617.65 × 47,902.88
  4. Step 4: Simplify right side
    147,741.86x = 10,616,122,585.74
  5. Step 5: Solve for x
    x = 10,616,122,585.74/147,741.86
  6. Step 6: Final answer
    x = 71,855.89

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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.