Home / 361,100.18-498,312.14-199,951.76

Finding the Fourth Proportional to 361,100.18, 498,312.14 and 199,951.76

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Solution

The fourth proportional to 361,100.18, 498,312.14 and 199,951.76 is: 275,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,100.18 : 498,312.14 = 199,951.76 : x
  2. Step 2: Convert to fraction form
    361,100.18/498,312.14 = 199,951.76/x
  3. Step 3: Cross multiply
    361,100.18x = 498,312.14 × 199,951.76
  4. Step 4: Simplify right side
    361,100.18x = 99,638,389,422.37
  5. Step 5: Solve for x
    x = 99,638,389,422.37/361,100.18
  6. Step 6: Final answer
    x = 275,930.05

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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.