Home / 254,177.58-381,269.12-76,686.14

Finding the Fourth Proportional to 254,177.58, 381,269.12 and 76,686.14

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Solution

The fourth proportional to 254,177.58, 381,269.12 and 76,686.14 is: 115,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,177.58 : 381,269.12 = 76,686.14 : x
  2. Step 2: Convert to fraction form
    254,177.58/381,269.12 = 76,686.14/x
  3. Step 3: Cross multiply
    254,177.58x = 381,269.12 × 76,686.14
  4. Step 4: Simplify right side
    254,177.58x = 29,238,057,114.00
  5. Step 5: Solve for x
    x = 29,238,057,114.00/254,177.58
  6. Step 6: Final answer
    x = 115,030.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.