Home / 168,186.81-232,154.04-100,225.10

Finding the Fourth Proportional to 168,186.81, 232,154.04 and 100,225.10

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Solution

The fourth proportional to 168,186.81, 232,154.04 and 100,225.10 is: 138,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,186.81 : 232,154.04 = 100,225.10 : x
  2. Step 2: Convert to fraction form
    168,186.81/232,154.04 = 100,225.10/x
  3. Step 3: Cross multiply
    168,186.81x = 232,154.04 × 100,225.10
  4. Step 4: Simplify right side
    168,186.81x = 23,267,660,713.63
  5. Step 5: Solve for x
    x = 23,267,660,713.63/168,186.81
  6. Step 6: Final answer
    x = 138,344.15

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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.