Home / 432,146.31-648,219.45-116,603.21

Finding the Fourth Proportional to 432,146.31, 648,219.45 and 116,603.21

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Solution

The fourth proportional to 432,146.31, 648,219.45 and 116,603.21 is: 174,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,146.31 : 648,219.45 = 116,603.21 : x
  2. Step 2: Convert to fraction form
    432,146.31/648,219.45 = 116,603.21/x
  3. Step 3: Cross multiply
    432,146.31x = 648,219.45 × 116,603.21
  4. Step 4: Simplify right side
    432,146.31x = 75,584,465,413.34
  5. Step 5: Solve for x
    x = 75,584,465,413.34/432,146.31
  6. Step 6: Final answer
    x = 174,904.80

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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.