Home / 166,418.61-229,657.53-89,937.66

Finding the Fourth Proportional to 166,418.61, 229,657.53 and 89,937.66

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Solution

The fourth proportional to 166,418.61, 229,657.53 and 89,937.66 is: 124,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,418.61 : 229,657.53 = 89,937.66 : x
  2. Step 2: Convert to fraction form
    166,418.61/229,657.53 = 89,937.66/x
  3. Step 3: Cross multiply
    166,418.61x = 229,657.53 × 89,937.66
  4. Step 4: Simplify right side
    166,418.61x = 20,654,860,849.58
  5. Step 5: Solve for x
    x = 20,654,860,849.58/166,418.61
  6. Step 6: Final answer
    x = 124,113.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.