Home / 123,530.93-185,591.63-79,244.18

Finding the Fourth Proportional to 123,530.93, 185,591.63 and 79,244.18

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Solution

The fourth proportional to 123,530.93, 185,591.63 and 79,244.18 is: 119,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,530.93 : 185,591.63 = 79,244.18 : x
  2. Step 2: Convert to fraction form
    123,530.93/185,591.63 = 79,244.18/x
  3. Step 3: Cross multiply
    123,530.93x = 185,591.63 × 79,244.18
  4. Step 4: Simplify right side
    123,530.93x = 14,707,055,804.37
  5. Step 5: Solve for x
    x = 14,707,055,804.37/123,530.93
  6. Step 6: Final answer
    x = 119,055.66

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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.