Home / 118,162.60-163,082.57-69,769.68

Finding the Fourth Proportional to 118,162.60, 163,082.57 and 69,769.68

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Solution

The fourth proportional to 118,162.60, 163,082.57 and 69,769.68 is: 96,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,162.60 : 163,082.57 = 69,769.68 : x
  2. Step 2: Convert to fraction form
    118,162.60/163,082.57 = 69,769.68/x
  3. Step 3: Cross multiply
    118,162.60x = 163,082.57 × 69,769.68
  4. Step 4: Simplify right side
    118,162.60x = 11,378,217,762.07
  5. Step 5: Solve for x
    x = 11,378,217,762.07/118,162.60
  6. Step 6: Final answer
    x = 96,292.88

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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.