Home / 148,848.64-205,374.08-88,393.92

Finding the Fourth Proportional to 148,848.64, 205,374.08 and 88,393.92

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Solution

The fourth proportional to 148,848.64, 205,374.08 and 88,393.92 is: 121,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.64 : 205,374.08 = 88,393.92 : x
  2. Step 2: Convert to fraction form
    148,848.64/205,374.08 = 88,393.92/x
  3. Step 3: Cross multiply
    148,848.64x = 205,374.08 × 88,393.92
  4. Step 4: Simplify right side
    148,848.64x = 18,153,819,997.59
  5. Step 5: Solve for x
    x = 18,153,819,997.59/148,848.64
  6. Step 6: Final answer
    x = 121,961.61

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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.