Home / 185,068.20-277,667.10-79,962.60

Finding the Fourth Proportional to 185,068.20, 277,667.10 and 79,962.60

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Solution

The fourth proportional to 185,068.20, 277,667.10 and 79,962.60 is: 119,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,068.20 : 277,667.10 = 79,962.60 : x
  2. Step 2: Convert to fraction form
    185,068.20/277,667.10 = 79,962.60/x
  3. Step 3: Cross multiply
    185,068.20x = 277,667.10 × 79,962.60
  4. Step 4: Simplify right side
    185,068.20x = 22,202,983,250.46
  5. Step 5: Solve for x
    x = 22,202,983,250.46/185,068.20
  6. Step 6: Final answer
    x = 119,971.90

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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.