Home / 159,919.72-220,669.86-88,294.12

Finding the Fourth Proportional to 159,919.72, 220,669.86 and 88,294.12

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Solution

The fourth proportional to 159,919.72, 220,669.86 and 88,294.12 is: 121,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,919.72 : 220,669.86 = 88,294.12 : x
  2. Step 2: Convert to fraction form
    159,919.72/220,669.86 = 88,294.12/x
  3. Step 3: Cross multiply
    159,919.72x = 220,669.86 × 88,294.12
  4. Step 4: Simplify right side
    159,919.72x = 19,483,851,099.22
  5. Step 5: Solve for x
    x = 19,483,851,099.22/159,919.72
  6. Step 6: Final answer
    x = 121,835.20

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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.