Home / 112,403.03-168,600.56-28,163.88

Finding the Fourth Proportional to 112,403.03, 168,600.56 and 28,163.88

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Solution

The fourth proportional to 112,403.03, 168,600.56 and 28,163.88 is: 42,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403.03 : 168,600.56 = 28,163.88 : x
  2. Step 2: Convert to fraction form
    112,403.03/168,600.56 = 28,163.88/x
  3. Step 3: Cross multiply
    112,403.03x = 168,600.56 × 28,163.88
  4. Step 4: Simplify right side
    112,403.03x = 4,748,445,798.95
  5. Step 5: Solve for x
    x = 4,748,445,798.95/112,403.03
  6. Step 6: Final answer
    x = 42,244.82

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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.