Home / 106,788.72-160,903.92-88,476.24

Finding the Fourth Proportional to 106,788.72, 160,903.92 and 88,476.24

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Solution

The fourth proportional to 106,788.72, 160,903.92 and 88,476.24 is: 133,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.72 : 160,903.92 = 88,476.24 : x
  2. Step 2: Convert to fraction form
    106,788.72/160,903.92 = 88,476.24/x
  3. Step 3: Cross multiply
    106,788.72x = 160,903.92 × 88,476.24
  4. Step 4: Simplify right side
    106,788.72x = 14,236,173,842.86
  5. Step 5: Solve for x
    x = 14,236,173,842.86/106,788.72
  6. Step 6: Final answer
    x = 133,311.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.