Home / 103,627.40-154,684.51-88,930.76

Finding the Fourth Proportional to 103,627.40, 154,684.51 and 88,930.76

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Solution

The fourth proportional to 103,627.40, 154,684.51 and 88,930.76 is: 132,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.40 : 154,684.51 = 88,930.76 : x
  2. Step 2: Convert to fraction form
    103,627.40/154,684.51 = 88,930.76/x
  3. Step 3: Cross multiply
    103,627.40x = 154,684.51 × 88,930.76
  4. Step 4: Simplify right side
    103,627.40x = 13,756,211,034.53
  5. Step 5: Solve for x
    x = 13,756,211,034.53/103,627.40
  6. Step 6: Final answer
    x = 132,746.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.