Home / 153,910.38-212,399.90-96,552.12

Finding the Fourth Proportional to 153,910.38, 212,399.90 and 96,552.12

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Solution

The fourth proportional to 153,910.38, 212,399.90 and 96,552.12 is: 133,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,910.38 : 212,399.90 = 96,552.12 : x
  2. Step 2: Convert to fraction form
    153,910.38/212,399.90 = 96,552.12/x
  3. Step 3: Cross multiply
    153,910.38x = 212,399.90 × 96,552.12
  4. Step 4: Simplify right side
    153,910.38x = 20,507,660,656.95
  5. Step 5: Solve for x
    x = 20,507,660,656.95/153,910.38
  6. Step 6: Final answer
    x = 133,244.17

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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.