Home / 144,002.06-198,727.62-78,594.46

Finding the Fourth Proportional to 144,002.06, 198,727.62 and 78,594.46

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Solution

The fourth proportional to 144,002.06, 198,727.62 and 78,594.46 is: 108,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002.06 : 198,727.62 = 78,594.46 : x
  2. Step 2: Convert to fraction form
    144,002.06/198,727.62 = 78,594.46/x
  3. Step 3: Cross multiply
    144,002.06x = 198,727.62 × 78,594.46
  4. Step 4: Simplify right side
    144,002.06x = 15,618,889,588.01
  5. Step 5: Solve for x
    x = 15,618,889,588.01/144,002.06
  6. Step 6: Final answer
    x = 108,462.96

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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.