Home / 112,221.68-168,192.18-56,077.54

Finding the Fourth Proportional to 112,221.68, 168,192.18 and 56,077.54

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Solution

The fourth proportional to 112,221.68, 168,192.18 and 56,077.54 is: 84,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,221.68 : 168,192.18 = 56,077.54 : x
  2. Step 2: Convert to fraction form
    112,221.68/168,192.18 = 56,077.54/x
  3. Step 3: Cross multiply
    112,221.68x = 168,192.18 × 56,077.54
  4. Step 4: Simplify right side
    112,221.68x = 9,431,803,281.16
  5. Step 5: Solve for x
    x = 9,431,803,281.16/112,221.68
  6. Step 6: Final answer
    x = 84,046.18

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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.