Home / 126,780.32-174,956.16-70,191.52

Finding the Fourth Proportional to 126,780.32, 174,956.16 and 70,191.52

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Solution

The fourth proportional to 126,780.32, 174,956.16 and 70,191.52 is: 96,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,780.32 : 174,956.16 = 70,191.52 : x
  2. Step 2: Convert to fraction form
    126,780.32/174,956.16 = 70,191.52/x
  3. Step 3: Cross multiply
    126,780.32x = 174,956.16 × 70,191.52
  4. Step 4: Simplify right side
    126,780.32x = 12,280,438,803.76
  5. Step 5: Solve for x
    x = 12,280,438,803.76/126,780.32
  6. Step 6: Final answer
    x = 96,863.92

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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.