Home / 168,263.30-232,254.88-100,330.22

Finding the Fourth Proportional to 168,263.30, 232,254.88 and 100,330.22

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Solution

The fourth proportional to 168,263.30, 232,254.88 and 100,330.22 is: 138,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,263.30 : 232,254.88 = 100,330.22 : x
  2. Step 2: Convert to fraction form
    168,263.30/232,254.88 = 100,330.22/x
  3. Step 3: Cross multiply
    168,263.30x = 232,254.88 × 100,330.22
  4. Step 4: Simplify right side
    168,263.30x = 23,302,183,206.47
  5. Step 5: Solve for x
    x = 23,302,183,206.47/168,263.30
  6. Step 6: Final answer
    x = 138,486.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.