Home / 121,866.16-182,780.72-41,916.28

Finding the Fourth Proportional to 121,866.16, 182,780.72 and 41,916.28

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Solution

The fourth proportional to 121,866.16, 182,780.72 and 41,916.28 is: 62,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,866.16 : 182,780.72 = 41,916.28 : x
  2. Step 2: Convert to fraction form
    121,866.16/182,780.72 = 41,916.28/x
  3. Step 3: Cross multiply
    121,866.16x = 182,780.72 × 41,916.28
  4. Step 4: Simplify right side
    121,866.16x = 7,661,487,838.12
  5. Step 5: Solve for x
    x = 7,661,487,838.12/121,866.16
  6. Step 6: Final answer
    x = 62,868.05

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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.