Home / 153,042.92-211,160.00-89,344.11

Finding the Fourth Proportional to 153,042.92, 211,160.00 and 89,344.11

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Solution

The fourth proportional to 153,042.92, 211,160.00 and 89,344.11 is: 123,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,042.92 : 211,160.00 = 89,344.11 : x
  2. Step 2: Convert to fraction form
    153,042.92/211,160.00 = 89,344.11/x
  3. Step 3: Cross multiply
    153,042.92x = 211,160.00 × 89,344.11
  4. Step 4: Simplify right side
    153,042.92x = 18,865,902,490.96
  5. Step 5: Solve for x
    x = 18,865,902,490.96/153,042.92
  6. Step 6: Final answer
    x = 123,271.98

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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.