Home / 170,775.90-256,139.55-58,461.30

Finding the Fourth Proportional to 170,775.90, 256,139.55 and 58,461.30

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Solution

The fourth proportional to 170,775.90, 256,139.55 and 58,461.30 is: 87,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,775.90 : 256,139.55 = 58,461.30 : x
  2. Step 2: Convert to fraction form
    170,775.90/256,139.55 = 58,461.30/x
  3. Step 3: Cross multiply
    170,775.90x = 256,139.55 × 58,461.30
  4. Step 4: Simplify right side
    170,775.90x = 14,974,251,074.42
  5. Step 5: Solve for x
    x = 14,974,251,074.42/170,775.90
  6. Step 6: Final answer
    x = 87,683.63

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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.