Home / 443,621.59-665,165.86-173,427.92

Finding the Fourth Proportional to 443,621.59, 665,165.86 and 173,427.92

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Solution

The fourth proportional to 443,621.59, 665,165.86 and 173,427.92 is: 260,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,621.59 : 665,165.86 = 173,427.92 : x
  2. Step 2: Convert to fraction form
    443,621.59/665,165.86 = 173,427.92/x
  3. Step 3: Cross multiply
    443,621.59x = 665,165.86 × 173,427.92
  4. Step 4: Simplify right side
    443,621.59x = 115,358,330,687.67
  5. Step 5: Solve for x
    x = 115,358,330,687.67/443,621.59
  6. Step 6: Final answer
    x = 260,037.69

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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.