Home / 137,448.69-206,134.65-48,678.36

Finding the Fourth Proportional to 137,448.69, 206,134.65 and 48,678.36

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Solution

The fourth proportional to 137,448.69, 206,134.65 and 48,678.36 is: 73,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,448.69 : 206,134.65 = 48,678.36 : x
  2. Step 2: Convert to fraction form
    137,448.69/206,134.65 = 48,678.36/x
  3. Step 3: Cross multiply
    137,448.69x = 206,134.65 × 48,678.36
  4. Step 4: Simplify right side
    137,448.69x = 10,034,296,701.17
  5. Step 5: Solve for x
    x = 10,034,296,701.17/137,448.69
  6. Step 6: Final answer
    x = 73,003.95

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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.