Home / 112,049.20-168,073.80-70,577.20

Finding the Fourth Proportional to 112,049.20, 168,073.80 and 70,577.20

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Solution

The fourth proportional to 112,049.20, 168,073.80 and 70,577.20 is: 105,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,049.20 : 168,073.80 = 70,577.20 : x
  2. Step 2: Convert to fraction form
    112,049.20/168,073.80 = 70,577.20/x
  3. Step 3: Cross multiply
    112,049.20x = 168,073.80 × 70,577.20
  4. Step 4: Simplify right side
    112,049.20x = 11,862,178,197.36
  5. Step 5: Solve for x
    x = 11,862,178,197.36/112,049.20
  6. Step 6: Final answer
    x = 105,865.80

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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.