Home / 151,147.40-226,721.10-127,819.40

Finding the Fourth Proportional to 151,147.40, 226,721.10 and 127,819.40

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Solution

The fourth proportional to 151,147.40, 226,721.10 and 127,819.40 is: 191,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,147.40 : 226,721.10 = 127,819.40 : x
  2. Step 2: Convert to fraction form
    151,147.40/226,721.10 = 127,819.40/x
  3. Step 3: Cross multiply
    151,147.40x = 226,721.10 × 127,819.40
  4. Step 4: Simplify right side
    151,147.40x = 28,979,354,969.34
  5. Step 5: Solve for x
    x = 28,979,354,969.34/151,147.40
  6. Step 6: Final answer
    x = 191,729.10

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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.