Home / 151,544.61-209,127.54-83,560.43

Finding the Fourth Proportional to 151,544.61, 209,127.54 and 83,560.43

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Solution

The fourth proportional to 151,544.61, 209,127.54 and 83,560.43 is: 115,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,544.61 : 209,127.54 = 83,560.43 : x
  2. Step 2: Convert to fraction form
    151,544.61/209,127.54 = 83,560.43/x
  3. Step 3: Cross multiply
    151,544.61x = 209,127.54 × 83,560.43
  4. Step 4: Simplify right side
    151,544.61x = 17,474,787,167.24
  5. Step 5: Solve for x
    x = 17,474,787,167.24/151,544.61
  6. Step 6: Final answer
    x = 115,311.18

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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.