Home / 112,037.20-168,055.80-100,373.20

Finding the Fourth Proportional to 112,037.20, 168,055.80 and 100,373.20

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Solution

The fourth proportional to 112,037.20, 168,055.80 and 100,373.20 is: 150,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.20 : 168,055.80 = 100,373.20 : x
  2. Step 2: Convert to fraction form
    112,037.20/168,055.80 = 100,373.20/x
  3. Step 3: Cross multiply
    112,037.20x = 168,055.80 × 100,373.20
  4. Step 4: Simplify right side
    112,037.20x = 16,868,298,424.56
  5. Step 5: Solve for x
    x = 16,868,298,424.56/112,037.20
  6. Step 6: Final answer
    x = 150,559.80

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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.