Home / 123,559.11-185,268.36-48,638.63

Finding the Fourth Proportional to 123,559.11, 185,268.36 and 48,638.63

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Solution

The fourth proportional to 123,559.11, 185,268.36 and 48,638.63 is: 72,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,559.11 : 185,268.36 = 48,638.63 : x
  2. Step 2: Convert to fraction form
    123,559.11/185,268.36 = 48,638.63/x
  3. Step 3: Cross multiply
    123,559.11x = 185,268.36 × 48,638.63
  4. Step 4: Simplify right side
    123,559.11x = 9,011,199,212.75
  5. Step 5: Solve for x
    x = 9,011,199,212.75/123,559.11
  6. Step 6: Final answer
    x = 72,930.27

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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.