Home / 143,593.60-198,157.56-79,061.52

Finding the Fourth Proportional to 143,593.60, 198,157.56 and 79,061.52

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Solution

The fourth proportional to 143,593.60, 198,157.56 and 79,061.52 is: 109,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,593.60 : 198,157.56 = 79,061.52 : x
  2. Step 2: Convert to fraction form
    143,593.60/198,157.56 = 79,061.52/x
  3. Step 3: Cross multiply
    143,593.60x = 198,157.56 × 79,061.52
  4. Step 4: Simplify right side
    143,593.60x = 15,666,637,893.09
  5. Step 5: Solve for x
    x = 15,666,637,893.09/143,593.60
  6. Step 6: Final answer
    x = 109,104.01

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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.