Home / 113,649.26-156,903.24-101,039.18

Finding the Fourth Proportional to 113,649.26, 156,903.24 and 101,039.18

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Solution

The fourth proportional to 113,649.26, 156,903.24 and 101,039.18 is: 139,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,649.26 : 156,903.24 = 101,039.18 : x
  2. Step 2: Convert to fraction form
    113,649.26/156,903.24 = 101,039.18/x
  3. Step 3: Cross multiply
    113,649.26x = 156,903.24 × 101,039.18
  4. Step 4: Simplify right side
    113,649.26x = 15,853,374,708.94
  5. Step 5: Solve for x
    x = 15,853,374,708.94/113,649.26
  6. Step 6: Final answer
    x = 139,493.87

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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.