Home / 151,346.40-227,019.60-127,726.80

Finding the Fourth Proportional to 151,346.40, 227,019.60 and 127,726.80

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Solution

The fourth proportional to 151,346.40, 227,019.60 and 127,726.80 is: 191,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,346.40 : 227,019.60 = 127,726.80 : x
  2. Step 2: Convert to fraction form
    151,346.40/227,019.60 = 127,726.80/x
  3. Step 3: Cross multiply
    151,346.40x = 227,019.60 × 127,726.80
  4. Step 4: Simplify right side
    151,346.40x = 28,996,487,045.28
  5. Step 5: Solve for x
    x = 28,996,487,045.28/151,346.40
  6. Step 6: Final answer
    x = 191,590.20

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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.