Home / 157,454.75-217,153.82-133,045.13

Finding the Fourth Proportional to 157,454.75, 217,153.82 and 133,045.13

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Solution

The fourth proportional to 157,454.75, 217,153.82 and 133,045.13 is: 183,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,454.75 : 217,153.82 = 133,045.13 : x
  2. Step 2: Convert to fraction form
    157,454.75/217,153.82 = 133,045.13/x
  3. Step 3: Cross multiply
    157,454.75x = 217,153.82 × 133,045.13
  4. Step 4: Simplify right side
    157,454.75x = 28,891,259,087.39
  5. Step 5: Solve for x
    x = 28,891,259,087.39/157,454.75
  6. Step 6: Final answer
    x = 183,489.28

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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.