Home / 123,073.12-184,663.95-117,758.62

Finding the Fourth Proportional to 123,073.12, 184,663.95 and 117,758.62

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Solution

The fourth proportional to 123,073.12, 184,663.95 and 117,758.62 is: 176,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,073.12 : 184,663.95 = 117,758.62 : x
  2. Step 2: Convert to fraction form
    123,073.12/184,663.95 = 117,758.62/x
  3. Step 3: Cross multiply
    123,073.12x = 184,663.95 × 117,758.62
  4. Step 4: Simplify right side
    123,073.12x = 21,745,771,915.75
  5. Step 5: Solve for x
    x = 21,745,771,915.75/123,073.12
  6. Step 6: Final answer
    x = 176,689.86

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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.