Home / 123,002.40-184,066.20-112,504.80

Finding the Fourth Proportional to 123,002.40, 184,066.20 and 112,504.80

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Solution

The fourth proportional to 123,002.40, 184,066.20 and 112,504.80 is: 168,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,002.40 : 184,066.20 = 112,504.80 : x
  2. Step 2: Convert to fraction form
    123,002.40/184,066.20 = 112,504.80/x
  3. Step 3: Cross multiply
    123,002.40x = 184,066.20 × 112,504.80
  4. Step 4: Simplify right side
    123,002.40x = 20,708,331,017.76
  5. Step 5: Solve for x
    x = 20,708,331,017.76/123,002.40
  6. Step 6: Final answer
    x = 168,357.13

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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.