Home / 126,126.08-174,055.20-69,539.52

Finding the Fourth Proportional to 126,126.08, 174,055.20 and 69,539.52

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Solution

The fourth proportional to 126,126.08, 174,055.20 and 69,539.52 is: 95,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,126.08 : 174,055.20 = 69,539.52 : x
  2. Step 2: Convert to fraction form
    126,126.08/174,055.20 = 69,539.52/x
  3. Step 3: Cross multiply
    126,126.08x = 174,055.20 × 69,539.52
  4. Step 4: Simplify right side
    126,126.08x = 12,103,715,061.50
  5. Step 5: Solve for x
    x = 12,103,715,061.50/126,126.08
  6. Step 6: Final answer
    x = 95,965.20

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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.