Home / 170,265.16-234,965.96-98,686.70

Finding the Fourth Proportional to 170,265.16, 234,965.96 and 98,686.70

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Solution

The fourth proportional to 170,265.16, 234,965.96 and 98,686.70 is: 136,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,265.16 : 234,965.96 = 98,686.70 : x
  2. Step 2: Convert to fraction form
    170,265.16/234,965.96 = 98,686.70/x
  3. Step 3: Cross multiply
    170,265.16x = 234,965.96 × 98,686.70
  4. Step 4: Simplify right side
    170,265.16x = 23,188,016,664.46
  5. Step 5: Solve for x
    x = 23,188,016,664.46/170,265.16
  6. Step 6: Final answer
    x = 136,187.67

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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.