Home / 148,685.44-205,178.34-88,258.60

Finding the Fourth Proportional to 148,685.44, 205,178.34 and 88,258.60

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Solution

The fourth proportional to 148,685.44, 205,178.34 and 88,258.60 is: 121,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,685.44 : 205,178.34 = 88,258.60 : x
  2. Step 2: Convert to fraction form
    148,685.44/205,178.34 = 88,258.60/x
  3. Step 3: Cross multiply
    148,685.44x = 205,178.34 × 88,258.60
  4. Step 4: Simplify right side
    148,685.44x = 18,108,753,038.72
  5. Step 5: Solve for x
    x = 18,108,753,038.72/148,685.44
  6. Step 6: Final answer
    x = 121,792.38

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1.5x scale

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.