Home / 126,143.26-174,070.80-69,550.18

Finding the Fourth Proportional to 126,143.26, 174,070.80 and 69,550.18

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Solution

The fourth proportional to 126,143.26, 174,070.80 and 69,550.18 is: 95,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,143.26 : 174,070.80 = 69,550.18 : x
  2. Step 2: Convert to fraction form
    126,143.26/174,070.80 = 69,550.18/x
  3. Step 3: Cross multiply
    126,143.26x = 174,070.80 × 69,550.18
  4. Step 4: Simplify right side
    126,143.26x = 12,106,655,472.74
  5. Step 5: Solve for x
    x = 12,106,655,472.74/126,143.26
  6. Step 6: Final answer
    x = 95,975.44

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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.