Home / 157,331.02-217,109.82-91,925.92

Finding the Fourth Proportional to 157,331.02, 217,109.82 and 91,925.92

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Solution

The fourth proportional to 157,331.02, 217,109.82 and 91,925.92 is: 126,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,331.02 : 217,109.82 = 91,925.92 : x
  2. Step 2: Convert to fraction form
    157,331.02/217,109.82 = 91,925.92/x
  3. Step 3: Cross multiply
    157,331.02x = 217,109.82 × 91,925.92
  4. Step 4: Simplify right side
    157,331.02x = 19,958,019,944.53
  5. Step 5: Solve for x
    x = 19,958,019,944.53/157,331.02
  6. Step 6: Final answer
    x = 126,853.69

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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.