Home / 170,258.52-255,346.68-75,436.29

Finding the Fourth Proportional to 170,258.52, 255,346.68 and 75,436.29

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Solution

The fourth proportional to 170,258.52, 255,346.68 and 75,436.29 is: 113,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,258.52 : 255,346.68 = 75,436.29 : x
  2. Step 2: Convert to fraction form
    170,258.52/255,346.68 = 75,436.29/x
  3. Step 3: Cross multiply
    170,258.52x = 255,346.68 × 75,436.29
  4. Step 4: Simplify right side
    170,258.52x = 19,262,406,203.02
  5. Step 5: Solve for x
    x = 19,262,406,203.02/170,258.52
  6. Step 6: Final answer
    x = 113,136.22

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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.