Home / 107,356.78-148,192.18-92,188.52

Finding the Fourth Proportional to 107,356.78, 148,192.18 and 92,188.52

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Solution

The fourth proportional to 107,356.78, 148,192.18 and 92,188.52 is: 127,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,356.78 : 148,192.18 = 92,188.52 : x
  2. Step 2: Convert to fraction form
    107,356.78/148,192.18 = 92,188.52/x
  3. Step 3: Cross multiply
    107,356.78x = 148,192.18 × 92,188.52
  4. Step 4: Simplify right side
    107,356.78x = 13,661,616,778.34
  5. Step 5: Solve for x
    x = 13,661,616,778.34/107,356.78
  6. Step 6: Final answer
    x = 127,254.35

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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.