Home / 162,413.39-243,661.55-67,612.11

Finding the Fourth Proportional to 162,413.39, 243,661.55 and 67,612.11

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Solution

The fourth proportional to 162,413.39, 243,661.55 and 67,612.11 is: 101,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413.39 : 243,661.55 = 67,612.11 : x
  2. Step 2: Convert to fraction form
    162,413.39/243,661.55 = 67,612.11/x
  3. Step 3: Cross multiply
    162,413.39x = 243,661.55 × 67,612.11
  4. Step 4: Simplify right side
    162,413.39x = 16,474,471,521.37
  5. Step 5: Solve for x
    x = 16,474,471,521.37/162,413.39
  6. Step 6: Final answer
    x = 101,435.43

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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.