Home / 126,877.93-190,256.11-42,614.70

Finding the Fourth Proportional to 126,877.93, 190,256.11 and 42,614.70

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Solution

The fourth proportional to 126,877.93, 190,256.11 and 42,614.70 is: 63,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.93 : 190,256.11 = 42,614.70 : x
  2. Step 2: Convert to fraction form
    126,877.93/190,256.11 = 42,614.70/x
  3. Step 3: Cross multiply
    126,877.93x = 190,256.11 × 42,614.70
  4. Step 4: Simplify right side
    126,877.93x = 8,107,707,050.82
  5. Step 5: Solve for x
    x = 8,107,707,050.82/126,877.93
  6. Step 6: Final answer
    x = 63,901.63

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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.