Home / 120,053.56-180,235.86-75,769.24

Finding the Fourth Proportional to 120,053.56, 180,235.86 and 75,769.24

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Solution

The fourth proportional to 120,053.56, 180,235.86 and 75,769.24 is: 113,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,053.56 : 180,235.86 = 75,769.24 : x
  2. Step 2: Convert to fraction form
    120,053.56/180,235.86 = 75,769.24/x
  3. Step 3: Cross multiply
    120,053.56x = 180,235.86 × 75,769.24
  4. Step 4: Simplify right side
    120,053.56x = 13,656,334,132.95
  5. Step 5: Solve for x
    x = 13,656,334,132.95/120,053.56
  6. Step 6: Final answer
    x = 113,752.01

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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.