Home / 292,493.09-438,684.14-142,582.61

Finding the Fourth Proportional to 292,493.09, 438,684.14 and 142,582.61

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Solution

The fourth proportional to 292,493.09, 438,684.14 and 142,582.61 is: 213,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,493.09 : 438,684.14 = 142,582.61 : x
  2. Step 2: Convert to fraction form
    292,493.09/438,684.14 = 142,582.61/x
  3. Step 3: Cross multiply
    292,493.09x = 438,684.14 × 142,582.61
  4. Step 4: Simplify right side
    292,493.09x = 62,548,726,740.47
  5. Step 5: Solve for x
    x = 62,548,726,740.47/292,493.09
  6. Step 6: Final answer
    x = 213,846.86

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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.