Home / 126,510.24-189,758.52-64,179.12

Finding the Fourth Proportional to 126,510.24, 189,758.52 and 64,179.12

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Solution

The fourth proportional to 126,510.24, 189,758.52 and 64,179.12 is: 96,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,510.24 : 189,758.52 = 64,179.12 : x
  2. Step 2: Convert to fraction form
    126,510.24/189,758.52 = 64,179.12/x
  3. Step 3: Cross multiply
    126,510.24x = 189,758.52 × 64,179.12
  4. Step 4: Simplify right side
    126,510.24x = 12,178,534,826.10
  5. Step 5: Solve for x
    x = 12,178,534,826.10/126,510.24
  6. Step 6: Final answer
    x = 96,265.21

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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.