Home / 240,948.52-361,428.60-81,026.55

Finding the Fourth Proportional to 240,948.52, 361,428.60 and 81,026.55

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Solution

The fourth proportional to 240,948.52, 361,428.60 and 81,026.55 is: 121,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,948.52 : 361,428.60 = 81,026.55 : x
  2. Step 2: Convert to fraction form
    240,948.52/361,428.60 = 81,026.55/x
  3. Step 3: Cross multiply
    240,948.52x = 361,428.60 × 81,026.55
  4. Step 4: Simplify right side
    240,948.52x = 29,285,312,529.33
  5. Step 5: Solve for x
    x = 29,285,312,529.33/240,948.52
  6. Step 6: Final answer
    x = 121,541.78

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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.