Home / 288,265.26-397,775.70-167,382.90

Finding the Fourth Proportional to 288,265.26, 397,775.70 and 167,382.90

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Solution

The fourth proportional to 288,265.26, 397,775.70 and 167,382.90 is: 230,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,265.26 : 397,775.70 = 167,382.90 : x
  2. Step 2: Convert to fraction form
    288,265.26/397,775.70 = 167,382.90/x
  3. Step 3: Cross multiply
    288,265.26x = 397,775.70 × 167,382.90
  4. Step 4: Simplify right side
    288,265.26x = 66,580,850,215.53
  5. Step 5: Solve for x
    x = 66,580,850,215.53/288,265.26
  6. Step 6: Final answer
    x = 230,970.77

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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.