Home / 151,008.40-226,687.58-81,024.40

Finding the Fourth Proportional to 151,008.40, 226,687.58 and 81,024.40

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Solution

The fourth proportional to 151,008.40, 226,687.58 and 81,024.40 is: 121,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.40 : 226,687.58 = 81,024.40 : x
  2. Step 2: Convert to fraction form
    151,008.40/226,687.58 = 81,024.40/x
  3. Step 3: Cross multiply
    151,008.40x = 226,687.58 × 81,024.40
  4. Step 4: Simplify right side
    151,008.40x = 18,367,223,618.39
  5. Step 5: Solve for x
    x = 18,367,223,618.39/151,008.40
  6. Step 6: Final answer
    x = 121,630.48

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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.