Home / 116,512.15-160,701.55-76,161.19

Finding the Fourth Proportional to 116,512.15, 160,701.55 and 76,161.19

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Solution

The fourth proportional to 116,512.15, 160,701.55 and 76,161.19 is: 105,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,512.15 : 160,701.55 = 76,161.19 : x
  2. Step 2: Convert to fraction form
    116,512.15/160,701.55 = 76,161.19/x
  3. Step 3: Cross multiply
    116,512.15x = 160,701.55 × 76,161.19
  4. Step 4: Simplify right side
    116,512.15x = 12,239,221,282.84
  5. Step 5: Solve for x
    x = 12,239,221,282.84/116,512.15
  6. Step 6: Final answer
    x = 105,046.74

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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.