Home / 317,873.20-438,558.02-180,033.34

Finding the Fourth Proportional to 317,873.20, 438,558.02 and 180,033.34

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Solution

The fourth proportional to 317,873.20, 438,558.02 and 180,033.34 is: 248,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,873.20 : 438,558.02 = 180,033.34 : x
  2. Step 2: Convert to fraction form
    317,873.20/438,558.02 = 180,033.34/x
  3. Step 3: Cross multiply
    317,873.20x = 438,558.02 × 180,033.34
  4. Step 4: Simplify right side
    317,873.20x = 78,955,065,124.39
  5. Step 5: Solve for x
    x = 78,955,065,124.39/317,873.20
  6. Step 6: Final answer
    x = 248,385.41

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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.