Home / 130,332.12-180,048.06-88,076.04

Finding the Fourth Proportional to 130,332.12, 180,048.06 and 88,076.04

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Solution

The fourth proportional to 130,332.12, 180,048.06 and 88,076.04 is: 121,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,332.12 : 180,048.06 = 88,076.04 : x
  2. Step 2: Convert to fraction form
    130,332.12/180,048.06 = 88,076.04/x
  3. Step 3: Cross multiply
    130,332.12x = 180,048.06 × 88,076.04
  4. Step 4: Simplify right side
    130,332.12x = 15,857,920,134.48
  5. Step 5: Solve for x
    x = 15,857,920,134.48/130,332.12
  6. Step 6: Final answer
    x = 121,673.15

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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.