Home / 137,225.14-205,732.18-69,701.69

Finding the Fourth Proportional to 137,225.14, 205,732.18 and 69,701.69

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Solution

The fourth proportional to 137,225.14, 205,732.18 and 69,701.69 is: 104,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,225.14 : 205,732.18 = 69,701.69 : x
  2. Step 2: Convert to fraction form
    137,225.14/205,732.18 = 69,701.69/x
  3. Step 3: Cross multiply
    137,225.14x = 205,732.18 × 69,701.69
  4. Step 4: Simplify right side
    137,225.14x = 14,339,881,234.84
  5. Step 5: Solve for x
    x = 14,339,881,234.84/137,225.14
  6. Step 6: Final answer
    x = 104,498.94

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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.