Home / 317,433.32-438,056.76-174,195.80

Finding the Fourth Proportional to 317,433.32, 438,056.76 and 174,195.80

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Solution

The fourth proportional to 317,433.32, 438,056.76 and 174,195.80 is: 240,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,433.32 : 438,056.76 = 174,195.80 : x
  2. Step 2: Convert to fraction form
    317,433.32/438,056.76 = 174,195.80/x
  3. Step 3: Cross multiply
    317,433.32x = 438,056.76 × 174,195.80
  4. Step 4: Simplify right side
    317,433.32x = 76,307,647,753.61
  5. Step 5: Solve for x
    x = 76,307,647,753.61/317,433.32
  6. Step 6: Final answer
    x = 240,389.53

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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.