Home / 126,392.32-174,432.25-69,814.63

Finding the Fourth Proportional to 126,392.32, 174,432.25 and 69,814.63

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Solution

The fourth proportional to 126,392.32, 174,432.25 and 69,814.63 is: 96,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,392.32 : 174,432.25 = 69,814.63 : x
  2. Step 2: Convert to fraction form
    126,392.32/174,432.25 = 69,814.63/x
  3. Step 3: Cross multiply
    126,392.32x = 174,432.25 × 69,814.63
  4. Step 4: Simplify right side
    126,392.32x = 12,177,922,993.82
  5. Step 5: Solve for x
    x = 12,177,922,993.82/126,392.32
  6. Step 6: Final answer
    x = 96,350.18

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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.