Home / 116,513.90-160,703.97-76,162.94

Finding the Fourth Proportional to 116,513.90, 160,703.97 and 76,162.94

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Solution

The fourth proportional to 116,513.90, 160,703.97 and 76,162.94 is: 105,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,513.90 : 160,703.97 = 76,162.94 : x
  2. Step 2: Convert to fraction form
    116,513.90/160,703.97 = 76,162.94/x
  3. Step 3: Cross multiply
    116,513.90x = 160,703.97 × 76,162.94
  4. Step 4: Simplify right side
    116,513.90x = 12,239,686,824.87
  5. Step 5: Solve for x
    x = 12,239,686,824.87/116,513.90
  6. Step 6: Final answer
    x = 105,049.16

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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.