Home / 145,331.01-200,474.73-91,523.52

Finding the Fourth Proportional to 145,331.01, 200,474.73 and 91,523.52

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Solution

The fourth proportional to 145,331.01, 200,474.73 and 91,523.52 is: 126,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,331.01 : 200,474.73 = 91,523.52 : x
  2. Step 2: Convert to fraction form
    145,331.01/200,474.73 = 91,523.52/x
  3. Step 3: Cross multiply
    145,331.01x = 200,474.73 × 91,523.52
  4. Step 4: Simplify right side
    145,331.01x = 18,348,152,960.65
  5. Step 5: Solve for x
    x = 18,348,152,960.65/145,331.01
  6. Step 6: Final answer
    x = 126,250.78

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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.