Home / 126,471.84-174,534.66-69,886.86

Finding the Fourth Proportional to 126,471.84, 174,534.66 and 69,886.86

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Solution

The fourth proportional to 126,471.84, 174,534.66 and 69,886.86 is: 96,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,471.84 : 174,534.66 = 69,886.86 : x
  2. Step 2: Convert to fraction form
    126,471.84/174,534.66 = 69,886.86/x
  3. Step 3: Cross multiply
    126,471.84x = 174,534.66 × 69,886.86
  4. Step 4: Simplify right side
    126,471.84x = 12,197,679,348.57
  5. Step 5: Solve for x
    x = 12,197,679,348.57/126,471.84
  6. Step 6: Final answer
    x = 96,445.81

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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.