Home / 245,002.32-367,542.44-85,127.15

Finding the Fourth Proportional to 245,002.32, 367,542.44 and 85,127.15

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Solution

The fourth proportional to 245,002.32, 367,542.44 and 85,127.15 is: 127,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,002.32 : 367,542.44 = 85,127.15 : x
  2. Step 2: Convert to fraction form
    245,002.32/367,542.44 = 85,127.15/x
  3. Step 3: Cross multiply
    245,002.32x = 367,542.44 × 85,127.15
  4. Step 4: Simplify right side
    245,002.32x = 31,287,840,994.27
  5. Step 5: Solve for x
    x = 31,287,840,994.27/245,002.32
  6. Step 6: Final answer
    x = 127,704.26

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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.