Home / 118,082.14-177,090.78-70,659.92

Finding the Fourth Proportional to 118,082.14, 177,090.78 and 70,659.92

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Solution

The fourth proportional to 118,082.14, 177,090.78 and 70,659.92 is: 105,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,082.14 : 177,090.78 = 70,659.92 : x
  2. Step 2: Convert to fraction form
    118,082.14/177,090.78 = 70,659.92/x
  3. Step 3: Cross multiply
    118,082.14x = 177,090.78 × 70,659.92
  4. Step 4: Simplify right side
    118,082.14x = 12,513,220,347.54
  5. Step 5: Solve for x
    x = 12,513,220,347.54/118,082.14
  6. Step 6: Final answer
    x = 105,970.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.