Home / 157,441.52-217,261.09-89,449.06

Finding the Fourth Proportional to 157,441.52, 217,261.09 and 89,449.06

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Solution

The fourth proportional to 157,441.52, 217,261.09 and 89,449.06 is: 123,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,441.52 : 217,261.09 = 89,449.06 : x
  2. Step 2: Convert to fraction form
    157,441.52/217,261.09 = 89,449.06/x
  3. Step 3: Cross multiply
    157,441.52x = 217,261.09 × 89,449.06
  4. Step 4: Simplify right side
    157,441.52x = 19,433,799,827.83
  5. Step 5: Solve for x
    x = 19,433,799,827.83/157,441.52
  6. Step 6: Final answer
    x = 123,435.04

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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.