Home / 128,994.39-193,506.97-62,386.66

Finding the Fourth Proportional to 128,994.39, 193,506.97 and 62,386.66

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Solution

The fourth proportional to 128,994.39, 193,506.97 and 62,386.66 is: 93,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,994.39 : 193,506.97 = 62,386.66 : x
  2. Step 2: Convert to fraction form
    128,994.39/193,506.97 = 62,386.66/x
  3. Step 3: Cross multiply
    128,994.39x = 193,506.97 × 62,386.66
  4. Step 4: Simplify right side
    128,994.39x = 12,072,253,318.17
  5. Step 5: Solve for x
    x = 12,072,253,318.17/128,994.39
  6. Step 6: Final answer
    x = 93,587.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.