Home / 170,945.31-256,421.29-52,616.55

Finding the Fourth Proportional to 170,945.31, 256,421.29 and 52,616.55

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Solution

The fourth proportional to 170,945.31, 256,421.29 and 52,616.55 is: 78,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,945.31 : 256,421.29 = 52,616.55 : x
  2. Step 2: Convert to fraction form
    170,945.31/256,421.29 = 52,616.55/x
  3. Step 3: Cross multiply
    170,945.31x = 256,421.29 × 52,616.55
  4. Step 4: Simplify right side
    170,945.31x = 13,492,003,626.35
  5. Step 5: Solve for x
    x = 13,492,003,626.35/170,945.31
  6. Step 6: Final answer
    x = 78,925.85

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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.