Home / 174,718.86-240,517.01-129,311.27

Finding the Fourth Proportional to 174,718.86, 240,517.01 and 129,311.27

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Solution

The fourth proportional to 174,718.86, 240,517.01 and 129,311.27 is: 178,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,718.86 : 240,517.01 = 129,311.27 : x
  2. Step 2: Convert to fraction form
    174,718.86/240,517.01 = 129,311.27/x
  3. Step 3: Cross multiply
    174,718.86x = 240,517.01 × 129,311.27
  4. Step 4: Simplify right side
    174,718.86x = 31,101,560,019.70
  5. Step 5: Solve for x
    x = 31,101,560,019.70/174,718.86
  6. Step 6: Final answer
    x = 178,009.17

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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.