Home / 284,175.60-391,921.56-170,977.20

Finding the Fourth Proportional to 284,175.60, 391,921.56 and 170,977.20

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Solution

The fourth proportional to 284,175.60, 391,921.56 and 170,977.20 is: 235,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,175.60 : 391,921.56 = 170,977.20 : x
  2. Step 2: Convert to fraction form
    284,175.60/391,921.56 = 170,977.20/x
  3. Step 3: Cross multiply
    284,175.60x = 391,921.56 × 170,977.20
  4. Step 4: Simplify right side
    284,175.60x = 67,009,650,948.43
  5. Step 5: Solve for x
    x = 67,009,650,948.43/284,175.60
  6. Step 6: Final answer
    x = 235,803.68

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1.5x scale

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.