Home / 105,325.20-157,982.94-26,437.68

Finding the Fourth Proportional to 105,325.20, 157,982.94 and 26,437.68

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Solution

The fourth proportional to 105,325.20, 157,982.94 and 26,437.68 is: 39,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,325.20 : 157,982.94 = 26,437.68 : x
  2. Step 2: Convert to fraction form
    105,325.20/157,982.94 = 26,437.68/x
  3. Step 3: Cross multiply
    105,325.20x = 157,982.94 × 26,437.68
  4. Step 4: Simplify right side
    105,325.20x = 4,176,702,413.18
  5. Step 5: Solve for x
    x = 4,176,702,413.18/105,325.20
  6. Step 6: Final answer
    x = 39,655.30

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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.