Home / 170,763.12-235,616.58-99,104.85

Finding the Fourth Proportional to 170,763.12, 235,616.58 and 99,104.85

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Solution

The fourth proportional to 170,763.12, 235,616.58 and 99,104.85 is: 136,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,763.12 : 235,616.58 = 99,104.85 : x
  2. Step 2: Convert to fraction form
    170,763.12/235,616.58 = 99,104.85/x
  3. Step 3: Cross multiply
    170,763.12x = 235,616.58 × 99,104.85
  4. Step 4: Simplify right side
    170,763.12x = 23,350,745,818.41
  5. Step 5: Solve for x
    x = 23,350,745,818.41/170,763.12
  6. Step 6: Final answer
    x = 136,743.49

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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.