Home / 144,581.12-216,721.33-55,895.54

Finding the Fourth Proportional to 144,581.12, 216,721.33 and 55,895.54

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Solution

The fourth proportional to 144,581.12, 216,721.33 and 55,895.54 is: 83,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.12 : 216,721.33 = 55,895.54 : x
  2. Step 2: Convert to fraction form
    144,581.12/216,721.33 = 55,895.54/x
  3. Step 3: Cross multiply
    144,581.12x = 216,721.33 × 55,895.54
  4. Step 4: Simplify right side
    144,581.12x = 12,113,755,359.23
  5. Step 5: Solve for x
    x = 12,113,755,359.23/144,581.12
  6. Step 6: Final answer
    x = 83,785.18

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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.