Home / 252,920.18-349,036.89-139,750.22

Finding the Fourth Proportional to 252,920.18, 349,036.89 and 139,750.22

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Solution

The fourth proportional to 252,920.18, 349,036.89 and 139,750.22 is: 192,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,920.18 : 349,036.89 = 139,750.22 : x
  2. Step 2: Convert to fraction form
    252,920.18/349,036.89 = 139,750.22/x
  3. Step 3: Cross multiply
    252,920.18x = 349,036.89 × 139,750.22
  4. Step 4: Simplify right side
    252,920.18x = 48,777,982,165.62
  5. Step 5: Solve for x
    x = 48,777,982,165.62/252,920.18
  6. Step 6: Final answer
    x = 192,859.19

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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.