Home / 150,209.22-207,298.70-86,551.10

Finding the Fourth Proportional to 150,209.22, 207,298.70 and 86,551.10

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Solution

The fourth proportional to 150,209.22, 207,298.70 and 86,551.10 is: 119,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,209.22 : 207,298.70 = 86,551.10 : x
  2. Step 2: Convert to fraction form
    150,209.22/207,298.70 = 86,551.10/x
  3. Step 3: Cross multiply
    150,209.22x = 207,298.70 × 86,551.10
  4. Step 4: Simplify right side
    150,209.22x = 17,941,930,513.57
  5. Step 5: Solve for x
    x = 17,941,930,513.57/150,209.22
  6. Step 6: Final answer
    x = 119,446.27

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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.