Home / 112,129.30-168,221.63-33,243.52

Finding the Fourth Proportional to 112,129.30, 168,221.63 and 33,243.52

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Solution

The fourth proportional to 112,129.30, 168,221.63 and 33,243.52 is: 49,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,129.30 : 168,221.63 = 33,243.52 : x
  2. Step 2: Convert to fraction form
    112,129.30/168,221.63 = 33,243.52/x
  3. Step 3: Cross multiply
    112,129.30x = 168,221.63 × 33,243.52
  4. Step 4: Simplify right side
    112,129.30x = 5,592,278,955.12
  5. Step 5: Solve for x
    x = 5,592,278,955.12/112,129.30
  6. Step 6: Final answer
    x = 49,873.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.