Home / 148,635.39-205,103.28-88,195.62

Finding the Fourth Proportional to 148,635.39, 205,103.28 and 88,195.62

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Solution

The fourth proportional to 148,635.39, 205,103.28 and 88,195.62 is: 121,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,635.39 : 205,103.28 = 88,195.62 : x
  2. Step 2: Convert to fraction form
    148,635.39/205,103.28 = 88,195.62/x
  3. Step 3: Cross multiply
    148,635.39x = 205,103.28 × 88,195.62
  4. Step 4: Simplify right side
    148,635.39x = 18,089,210,943.63
  5. Step 5: Solve for x
    x = 18,089,210,943.63/148,635.39
  6. Step 6: Final answer
    x = 121,701.91

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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.