Home / 114,913.29-158,449.60-80,910.91

Finding the Fourth Proportional to 114,913.29, 158,449.60 and 80,910.91

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Solution

The fourth proportional to 114,913.29, 158,449.60 and 80,910.91 is: 111,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,913.29 : 158,449.60 = 80,910.91 : x
  2. Step 2: Convert to fraction form
    114,913.29/158,449.60 = 80,910.91/x
  3. Step 3: Cross multiply
    114,913.29x = 158,449.60 × 80,910.91
  4. Step 4: Simplify right side
    114,913.29x = 12,820,301,325.14
  5. Step 5: Solve for x
    x = 12,820,301,325.14/114,913.29
  6. Step 6: Final answer
    x = 111,565.00

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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.