Home / 148,654.48-205,129.44-88,214.68

Finding the Fourth Proportional to 148,654.48, 205,129.44 and 88,214.68

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Solution

The fourth proportional to 148,654.48, 205,129.44 and 88,214.68 is: 121,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,654.48 : 205,129.44 = 88,214.68 : x
  2. Step 2: Convert to fraction form
    148,654.48/205,129.44 = 88,214.68/x
  3. Step 3: Cross multiply
    148,654.48x = 205,129.44 × 88,214.68
  4. Step 4: Simplify right side
    148,654.48x = 18,095,427,908.18
  5. Step 5: Solve for x
    x = 18,095,427,908.18/148,654.48
  6. Step 6: Final answer
    x = 121,728.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.