Home / 202,311.15-279,167.76-116,252.70

Finding the Fourth Proportional to 202,311.15, 279,167.76 and 116,252.70

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Solution

The fourth proportional to 202,311.15, 279,167.76 and 116,252.70 is: 160,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,311.15 : 279,167.76 = 116,252.70 : x
  2. Step 2: Convert to fraction form
    202,311.15/279,167.76 = 116,252.70/x
  3. Step 3: Cross multiply
    202,311.15x = 279,167.76 × 116,252.70
  4. Step 4: Simplify right side
    202,311.15x = 32,454,005,852.95
  5. Step 5: Solve for x
    x = 32,454,005,852.95/202,311.15
  6. Step 6: Final answer
    x = 160,416.30

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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.