Home / 130,841.07-180,379.28-88,332.27

Finding the Fourth Proportional to 130,841.07, 180,379.28 and 88,332.27

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Solution

The fourth proportional to 130,841.07, 180,379.28 and 88,332.27 is: 121,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,841.07 : 180,379.28 = 88,332.27 : x
  2. Step 2: Convert to fraction form
    130,841.07/180,379.28 = 88,332.27/x
  3. Step 3: Cross multiply
    130,841.07x = 180,379.28 × 88,332.27
  4. Step 4: Simplify right side
    130,841.07x = 15,933,310,821.70
  5. Step 5: Solve for x
    x = 15,933,310,821.70/130,841.07
  6. Step 6: Final answer
    x = 121,776.07

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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.