Home / 155,894.36-215,136.20-94,622.85

Finding the Fourth Proportional to 155,894.36, 215,136.20 and 94,622.85

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Solution

The fourth proportional to 155,894.36, 215,136.20 and 94,622.85 is: 130,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,894.36 : 215,136.20 = 94,622.85 : x
  2. Step 2: Convert to fraction form
    155,894.36/215,136.20 = 94,622.85/x
  3. Step 3: Cross multiply
    155,894.36x = 215,136.20 × 94,622.85
  4. Step 4: Simplify right side
    155,894.36x = 20,356,800,618.73
  5. Step 5: Solve for x
    x = 20,356,800,618.73/155,894.36
  6. Step 6: Final answer
    x = 130,580.74

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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.