Home / 150,030.06-207,049.05-86,377.02

Finding the Fourth Proportional to 150,030.06, 207,049.05 and 86,377.02

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Solution

The fourth proportional to 150,030.06, 207,049.05 and 86,377.02 is: 119,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,030.06 : 207,049.05 = 86,377.02 : x
  2. Step 2: Convert to fraction form
    150,030.06/207,049.05 = 86,377.02/x
  3. Step 3: Cross multiply
    150,030.06x = 207,049.05 × 86,377.02
  4. Step 4: Simplify right side
    150,030.06x = 17,884,279,932.83
  5. Step 5: Solve for x
    x = 17,884,279,932.83/150,030.06
  6. Step 6: Final answer
    x = 119,204.64

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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.