Home / 143,873.52-198,545.58-80,210.04

Finding the Fourth Proportional to 143,873.52, 198,545.58 and 80,210.04

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Solution

The fourth proportional to 143,873.52, 198,545.58 and 80,210.04 is: 110,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,873.52 : 198,545.58 = 80,210.04 : x
  2. Step 2: Convert to fraction form
    143,873.52/198,545.58 = 80,210.04/x
  3. Step 3: Cross multiply
    143,873.52x = 198,545.58 × 80,210.04
  4. Step 4: Simplify right side
    143,873.52x = 15,925,348,913.62
  5. Step 5: Solve for x
    x = 15,925,348,913.62/143,873.52
  6. Step 6: Final answer
    x = 110,689.92

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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.