Home / 116,115.03-160,253.57-68,372.82

Finding the Fourth Proportional to 116,115.03, 160,253.57 and 68,372.82

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Solution

The fourth proportional to 116,115.03, 160,253.57 and 68,372.82 is: 94,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,115.03 : 160,253.57 = 68,372.82 : x
  2. Step 2: Convert to fraction form
    116,115.03/160,253.57 = 68,372.82/x
  3. Step 3: Cross multiply
    116,115.03x = 160,253.57 × 68,372.82
  4. Step 4: Simplify right side
    116,115.03x = 10,956,988,495.97
  5. Step 5: Solve for x
    x = 10,956,988,495.97/116,115.03
  6. Step 6: Final answer
    x = 94,363.22

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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.