Home / 185,073.12-277,668-79,941.60

Finding the Fourth Proportional to 185,073.12, 277,668 and 79,941.60

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Solution

The fourth proportional to 185,073.12, 277,668 and 79,941.60 is: 119,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,073.12 : 277,668 = 79,941.60 : x
  2. Step 2: Convert to fraction form
    185,073.12/277,668 = 79,941.60/x
  3. Step 3: Cross multiply
    185,073.12x = 277,668 × 79,941.60
  4. Step 4: Simplify right side
    185,073.12x = 22,197,224,188.80
  5. Step 5: Solve for x
    x = 22,197,224,188.80/185,073.12
  6. Step 6: Final answer
    x = 119,937.59

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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.