Home / 112,113.68-168,170.20-37,239.60

Finding the Fourth Proportional to 112,113.68, 168,170.20 and 37,239.60

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Solution

The fourth proportional to 112,113.68, 168,170.20 and 37,239.60 is: 55,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,113.68 : 168,170.20 = 37,239.60 : x
  2. Step 2: Convert to fraction form
    112,113.68/168,170.20 = 37,239.60/x
  3. Step 3: Cross multiply
    112,113.68x = 168,170.20 × 37,239.60
  4. Step 4: Simplify right side
    112,113.68x = 6,262,590,979.92
  5. Step 5: Solve for x
    x = 6,262,590,979.92/112,113.68
  6. Step 6: Final answer
    x = 55,859.29

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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.