Home / 103,188.18-154,775.76-36,619.50

Finding the Fourth Proportional to 103,188.18, 154,775.76 and 36,619.50

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Solution

The fourth proportional to 103,188.18, 154,775.76 and 36,619.50 is: 54,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,188.18 : 154,775.76 = 36,619.50 : x
  2. Step 2: Convert to fraction form
    103,188.18/154,775.76 = 36,619.50/x
  3. Step 3: Cross multiply
    103,188.18x = 154,775.76 × 36,619.50
  4. Step 4: Simplify right side
    103,188.18x = 5,667,810,943.32
  5. Step 5: Solve for x
    x = 5,667,810,943.32/103,188.18
  6. Step 6: Final answer
    x = 54,926.94

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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.