Home / 144,233.42-199,041.18-80,570.66

Finding the Fourth Proportional to 144,233.42, 199,041.18 and 80,570.66

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Solution

The fourth proportional to 144,233.42, 199,041.18 and 80,570.66 is: 111,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,233.42 : 199,041.18 = 80,570.66 : x
  2. Step 2: Convert to fraction form
    144,233.42/199,041.18 = 80,570.66/x
  3. Step 3: Cross multiply
    144,233.42x = 199,041.18 × 80,570.66
  4. Step 4: Simplify right side
    144,233.42x = 16,036,879,239.78
  5. Step 5: Solve for x
    x = 16,036,879,239.78/144,233.42
  6. Step 6: Final answer
    x = 111,186.99

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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.