Home / 112,111.68-168,225.92-45,600.96

Finding the Fourth Proportional to 112,111.68, 168,225.92 and 45,600.96

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Solution

The fourth proportional to 112,111.68, 168,225.92 and 45,600.96 is: 68,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,111.68 : 168,225.92 = 45,600.96 : x
  2. Step 2: Convert to fraction form
    112,111.68/168,225.92 = 45,600.96/x
  3. Step 3: Cross multiply
    112,111.68x = 168,225.92 × 45,600.96
  4. Step 4: Simplify right side
    112,111.68x = 7,671,263,448.88
  5. Step 5: Solve for x
    x = 7,671,263,448.88/112,111.68
  6. Step 6: Final answer
    x = 68,425.19

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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.