Home / 116,017.08-160,100.46-65,732.28

Finding the Fourth Proportional to 116,017.08, 160,100.46 and 65,732.28

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Solution

The fourth proportional to 116,017.08, 160,100.46 and 65,732.28 is: 90,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,017.08 : 160,100.46 = 65,732.28 : x
  2. Step 2: Convert to fraction form
    116,017.08/160,100.46 = 65,732.28/x
  3. Step 3: Cross multiply
    116,017.08x = 160,100.46 × 65,732.28
  4. Step 4: Simplify right side
    116,017.08x = 10,523,768,264.85
  5. Step 5: Solve for x
    x = 10,523,768,264.85/116,017.08
  6. Step 6: Final answer
    x = 90,708.78

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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.