Home / 153,171.11-211,344.89-89,496.59

Finding the Fourth Proportional to 153,171.11, 211,344.89 and 89,496.59

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Solution

The fourth proportional to 153,171.11, 211,344.89 and 89,496.59 is: 123,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,171.11 : 211,344.89 = 89,496.59 : x
  2. Step 2: Convert to fraction form
    153,171.11/211,344.89 = 89,496.59/x
  3. Step 3: Cross multiply
    153,171.11x = 211,344.89 × 89,496.59
  4. Step 4: Simplify right side
    153,171.11x = 18,914,646,521.44
  5. Step 5: Solve for x
    x = 18,914,646,521.44/153,171.11
  6. Step 6: Final answer
    x = 123,487.04

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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.