Home / 148,258.65-204,597.05-80,275.68

Finding the Fourth Proportional to 148,258.65, 204,597.05 and 80,275.68

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Solution

The fourth proportional to 148,258.65, 204,597.05 and 80,275.68 is: 110,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,258.65 : 204,597.05 = 80,275.68 : x
  2. Step 2: Convert to fraction form
    148,258.65/204,597.05 = 80,275.68/x
  3. Step 3: Cross multiply
    148,258.65x = 204,597.05 × 80,275.68
  4. Step 4: Simplify right side
    148,258.65x = 16,424,167,515.43
  5. Step 5: Solve for x
    x = 16,424,167,515.43/148,258.65
  6. Step 6: Final answer
    x = 110,780.50

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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.