Home / 169,413.32-233,756.89-100,490.02

Finding the Fourth Proportional to 169,413.32, 233,756.89 and 100,490.02

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Solution

The fourth proportional to 169,413.32, 233,756.89 and 100,490.02 is: 138,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,413.32 : 233,756.89 = 100,490.02 : x
  2. Step 2: Convert to fraction form
    169,413.32/233,756.89 = 100,490.02/x
  3. Step 3: Cross multiply
    169,413.32x = 233,756.89 × 100,490.02
  4. Step 4: Simplify right side
    169,413.32x = 23,490,233,715.62
  5. Step 5: Solve for x
    x = 23,490,233,715.62/169,413.32
  6. Step 6: Final answer
    x = 138,656.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.