Home / 151,585.15-209,190.87-83,604.16

Finding the Fourth Proportional to 151,585.15, 209,190.87 and 83,604.16

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Solution

The fourth proportional to 151,585.15, 209,190.87 and 83,604.16 is: 115,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,585.15 : 209,190.87 = 83,604.16 : x
  2. Step 2: Convert to fraction form
    151,585.15/209,190.87 = 83,604.16/x
  3. Step 3: Cross multiply
    151,585.15x = 209,190.87 × 83,604.16
  4. Step 4: Simplify right side
    151,585.15x = 17,489,226,966.02
  5. Step 5: Solve for x
    x = 17,489,226,966.02/151,585.15
  6. Step 6: Final answer
    x = 115,375.60

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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.