Home / 112,005.06-168,077.92-45,445.46

Finding the Fourth Proportional to 112,005.06, 168,077.92 and 45,445.46

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Solution

The fourth proportional to 112,005.06, 168,077.92 and 45,445.46 is: 68,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.06 : 168,077.92 = 45,445.46 : x
  2. Step 2: Convert to fraction form
    112,005.06/168,077.92 = 45,445.46/x
  3. Step 3: Cross multiply
    112,005.06x = 168,077.92 × 45,445.46
  4. Step 4: Simplify right side
    112,005.06x = 7,638,378,390.24
  5. Step 5: Solve for x
    x = 7,638,378,390.24/112,005.06
  6. Step 6: Final answer
    x = 68,196.73

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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.