Home / 151,544.55-209,127.45-83,560.38

Finding the Fourth Proportional to 151,544.55, 209,127.45 and 83,560.38

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Solution

The fourth proportional to 151,544.55, 209,127.45 and 83,560.38 is: 115,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,544.55 : 209,127.45 = 83,560.38 : x
  2. Step 2: Convert to fraction form
    151,544.55/209,127.45 = 83,560.38/x
  3. Step 3: Cross multiply
    151,544.55x = 209,127.45 × 83,560.38
  4. Step 4: Simplify right side
    151,544.55x = 17,474,768,719.55
  5. Step 5: Solve for x
    x = 17,474,768,719.55/151,544.55
  6. Step 6: Final answer
    x = 115,311.10

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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.