Home / 150,240.06-207,377.40-86,620.20

Finding the Fourth Proportional to 150,240.06, 207,377.40 and 86,620.20

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Solution

The fourth proportional to 150,240.06, 207,377.40 and 86,620.20 is: 119,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,240.06 : 207,377.40 = 86,620.20 : x
  2. Step 2: Convert to fraction form
    150,240.06/207,377.40 = 86,620.20/x
  3. Step 3: Cross multiply
    150,240.06x = 207,377.40 × 86,620.20
  4. Step 4: Simplify right side
    150,240.06x = 17,963,071,863.48
  5. Step 5: Solve for x
    x = 17,963,071,863.48/150,240.06
  6. Step 6: Final answer
    x = 119,562.46

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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.