Home / 153,001.20-229,277.70-137,206.20

Finding the Fourth Proportional to 153,001.20, 229,277.70 and 137,206.20

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Solution

The fourth proportional to 153,001.20, 229,277.70 and 137,206.20 is: 205,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,001.20 : 229,277.70 = 137,206.20 : x
  2. Step 2: Convert to fraction form
    153,001.20/229,277.70 = 137,206.20/x
  3. Step 3: Cross multiply
    153,001.20x = 229,277.70 × 137,206.20
  4. Step 4: Simplify right side
    153,001.20x = 31,458,321,961.74
  5. Step 5: Solve for x
    x = 31,458,321,961.74/153,001.20
  6. Step 6: Final answer
    x = 205,608.33

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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.