Home / 129,112.83-193,661.71-58,017.11

Finding the Fourth Proportional to 129,112.83, 193,661.71 and 58,017.11

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Solution

The fourth proportional to 129,112.83, 193,661.71 and 58,017.11 is: 87,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,112.83 : 193,661.71 = 58,017.11 : x
  2. Step 2: Convert to fraction form
    129,112.83/193,661.71 = 58,017.11/x
  3. Step 3: Cross multiply
    129,112.83x = 193,661.71 × 58,017.11
  4. Step 4: Simplify right side
    129,112.83x = 11,235,691,618.51
  5. Step 5: Solve for x
    x = 11,235,691,618.51/129,112.83
  6. Step 6: Final answer
    x = 87,022.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.