Home / 220,196.30-303,860.74-124,703.70

Finding the Fourth Proportional to 220,196.30, 303,860.74 and 124,703.70

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Solution

The fourth proportional to 220,196.30, 303,860.74 and 124,703.70 is: 172,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,196.30 : 303,860.74 = 124,703.70 : x
  2. Step 2: Convert to fraction form
    220,196.30/303,860.74 = 124,703.70/x
  3. Step 3: Cross multiply
    220,196.30x = 303,860.74 × 124,703.70
  4. Step 4: Simplify right side
    220,196.30x = 37,892,558,562.74
  5. Step 5: Solve for x
    x = 37,892,558,562.74/220,196.30
  6. Step 6: Final answer
    x = 172,085.36

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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.