Home / 288,110.88-397,526.94-173,358.72

Finding the Fourth Proportional to 288,110.88, 397,526.94 and 173,358.72

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Solution

The fourth proportional to 288,110.88, 397,526.94 and 173,358.72 is: 239,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,110.88 : 397,526.94 = 173,358.72 : x
  2. Step 2: Convert to fraction form
    288,110.88/397,526.94 = 173,358.72/x
  3. Step 3: Cross multiply
    288,110.88x = 397,526.94 × 173,358.72
  4. Step 4: Simplify right side
    288,110.88x = 68,914,761,483.92
  5. Step 5: Solve for x
    x = 68,914,761,483.92/288,110.88
  6. Step 6: Final answer
    x = 239,195.28

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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.