Home / 220,710.48-304,544.13-139,026.03

Finding the Fourth Proportional to 220,710.48, 304,544.13 and 139,026.03

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Solution

The fourth proportional to 220,710.48, 304,544.13 and 139,026.03 is: 191,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,710.48 : 304,544.13 = 139,026.03 : x
  2. Step 2: Convert to fraction form
    220,710.48/304,544.13 = 139,026.03/x
  3. Step 3: Cross multiply
    220,710.48x = 304,544.13 × 139,026.03
  4. Step 4: Simplify right side
    220,710.48x = 42,339,561,353.70
  5. Step 5: Solve for x
    x = 42,339,561,353.70/220,710.48
  6. Step 6: Final answer
    x = 191,833.04

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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.