Home / 157,811.22-217,770.66-89,844.75

Finding the Fourth Proportional to 157,811.22, 217,770.66 and 89,844.75

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Solution

The fourth proportional to 157,811.22, 217,770.66 and 89,844.75 is: 123,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,811.22 : 217,770.66 = 89,844.75 : x
  2. Step 2: Convert to fraction form
    157,811.22/217,770.66 = 89,844.75/x
  3. Step 3: Cross multiply
    157,811.22x = 217,770.66 × 89,844.75
  4. Step 4: Simplify right side
    157,811.22x = 19,565,550,505.04
  5. Step 5: Solve for x
    x = 19,565,550,505.04/157,811.22
  6. Step 6: Final answer
    x = 123,980.73

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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.