Home / 329,139.20-493,368.60-179,062.40

Finding the Fourth Proportional to 329,139.20, 493,368.60 and 179,062.40

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Solution

The fourth proportional to 329,139.20, 493,368.60 and 179,062.40 is: 268,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,139.20 : 493,368.60 = 179,062.40 : x
  2. Step 2: Convert to fraction form
    329,139.20/493,368.60 = 179,062.40/x
  3. Step 3: Cross multiply
    329,139.20x = 493,368.60 × 179,062.40
  4. Step 4: Simplify right side
    329,139.20x = 88,343,765,600.64
  5. Step 5: Solve for x
    x = 88,343,765,600.64/329,139.20
  6. Step 6: Final answer
    x = 268,408.52

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1.5x scale

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.