Home / 144,166.16-198,946.92-80,504.72

Finding the Fourth Proportional to 144,166.16, 198,946.92 and 80,504.72

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Solution

The fourth proportional to 144,166.16, 198,946.92 and 80,504.72 is: 111,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,166.16 : 198,946.92 = 80,504.72 : x
  2. Step 2: Convert to fraction form
    144,166.16/198,946.92 = 80,504.72/x
  3. Step 3: Cross multiply
    144,166.16x = 198,946.92 × 80,504.72
  4. Step 4: Simplify right side
    144,166.16x = 16,016,166,089.46
  5. Step 5: Solve for x
    x = 16,016,166,089.46/144,166.16
  6. Step 6: Final answer
    x = 111,095.18

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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.