Home / 230,146.80-345,254.22-117,890.52

Finding the Fourth Proportional to 230,146.80, 345,254.22 and 117,890.52

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Solution

The fourth proportional to 230,146.80, 345,254.22 and 117,890.52 is: 176,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,146.80 : 345,254.22 = 117,890.52 : x
  2. Step 2: Convert to fraction form
    230,146.80/345,254.22 = 117,890.52/x
  3. Step 3: Cross multiply
    230,146.80x = 345,254.22 × 117,890.52
  4. Step 4: Simplify right side
    230,146.80x = 40,702,199,527.99
  5. Step 5: Solve for x
    x = 40,702,199,527.99/230,146.80
  6. Step 6: Final answer
    x = 176,853.21

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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.