Home / 150,237.80-207,328.20-86,575.52

Finding the Fourth Proportional to 150,237.80, 207,328.20 and 86,575.52

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Solution

The fourth proportional to 150,237.80, 207,328.20 and 86,575.52 is: 119,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,237.80 : 207,328.20 = 86,575.52 : x
  2. Step 2: Convert to fraction form
    150,237.80/207,328.20 = 86,575.52/x
  3. Step 3: Cross multiply
    150,237.80x = 207,328.20 × 86,575.52
  4. Step 4: Simplify right side
    150,237.80x = 17,949,546,725.66
  5. Step 5: Solve for x
    x = 17,949,546,725.66/150,237.80
  6. Step 6: Final answer
    x = 119,474.24

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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.