Home / 126,063.06-189,129.15-66,095.52

Finding the Fourth Proportional to 126,063.06, 189,129.15 and 66,095.52

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Solution

The fourth proportional to 126,063.06, 189,129.15 and 66,095.52 is: 99,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,063.06 : 189,129.15 = 66,095.52 : x
  2. Step 2: Convert to fraction form
    126,063.06/189,129.15 = 66,095.52/x
  3. Step 3: Cross multiply
    126,063.06x = 189,129.15 × 66,095.52
  4. Step 4: Simplify right side
    126,063.06x = 12,500,589,516.41
  5. Step 5: Solve for x
    x = 12,500,589,516.41/126,063.06
  6. Step 6: Final answer
    x = 99,161.40

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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.