Home / 124,161.12-171,041.28-92,274.72

Finding the Fourth Proportional to 124,161.12, 171,041.28 and 92,274.72

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Solution

The fourth proportional to 124,161.12, 171,041.28 and 92,274.72 is: 127,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,161.12 : 171,041.28 = 92,274.72 : x
  2. Step 2: Convert to fraction form
    124,161.12/171,041.28 = 92,274.72/x
  3. Step 3: Cross multiply
    124,161.12x = 171,041.28 × 92,274.72
  4. Step 4: Simplify right side
    124,161.12x = 15,782,786,220.44
  5. Step 5: Solve for x
    x = 15,782,786,220.44/124,161.12
  6. Step 6: Final answer
    x = 127,115.37

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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.