Home / 151,247.60-209,009.56-113,456.24

Finding the Fourth Proportional to 151,247.60, 209,009.56 and 113,456.24

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Solution

The fourth proportional to 151,247.60, 209,009.56 and 113,456.24 is: 156,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,247.60 : 209,009.56 = 113,456.24 : x
  2. Step 2: Convert to fraction form
    151,247.60/209,009.56 = 113,456.24/x
  3. Step 3: Cross multiply
    151,247.60x = 209,009.56 × 113,456.24
  4. Step 4: Simplify right side
    151,247.60x = 23,713,438,801.65
  5. Step 5: Solve for x
    x = 23,713,438,801.65/151,247.60
  6. Step 6: Final answer
    x = 156,785.55

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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.