Home / 151,319.40-226,979.10-132,887.40

Finding the Fourth Proportional to 151,319.40, 226,979.10 and 132,887.40

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Solution

The fourth proportional to 151,319.40, 226,979.10 and 132,887.40 is: 199,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,319.40 : 226,979.10 = 132,887.40 : x
  2. Step 2: Convert to fraction form
    151,319.40/226,979.10 = 132,887.40/x
  3. Step 3: Cross multiply
    151,319.40x = 226,979.10 × 132,887.40
  4. Step 4: Simplify right side
    151,319.40x = 30,162,662,453.34
  5. Step 5: Solve for x
    x = 30,162,662,453.34/151,319.40
  6. Step 6: Final answer
    x = 199,331.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.