Home / 166,291.16-229,476.98-90,839.66

Finding the Fourth Proportional to 166,291.16, 229,476.98 and 90,839.66

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Solution

The fourth proportional to 166,291.16, 229,476.98 and 90,839.66 is: 125,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,291.16 : 229,476.98 = 90,839.66 : x
  2. Step 2: Convert to fraction form
    166,291.16/229,476.98 = 90,839.66/x
  3. Step 3: Cross multiply
    166,291.16x = 229,476.98 × 90,839.66
  4. Step 4: Simplify right side
    166,291.16x = 20,845,609,920.74
  5. Step 5: Solve for x
    x = 20,845,609,920.74/166,291.16
  6. Step 6: Final answer
    x = 125,356.10

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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.