Home / 282,585.06-423,876.51-72,222.66

Finding the Fourth Proportional to 282,585.06, 423,876.51 and 72,222.66

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Solution

The fourth proportional to 282,585.06, 423,876.51 and 72,222.66 is: 108,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,585.06 : 423,876.51 = 72,222.66 : x
  2. Step 2: Convert to fraction form
    282,585.06/423,876.51 = 72,222.66/x
  3. Step 3: Cross multiply
    282,585.06x = 423,876.51 × 72,222.66
  4. Step 4: Simplify right side
    282,585.06x = 30,613,489,063.72
  5. Step 5: Solve for x
    x = 30,613,489,063.72/282,585.06
  6. Step 6: Final answer
    x = 108,333.71

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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.