Home / 134,338.11-185,413.08-77,015.91

Finding the Fourth Proportional to 134,338.11, 185,413.08 and 77,015.91

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Solution

The fourth proportional to 134,338.11, 185,413.08 and 77,015.91 is: 106,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,338.11 : 185,413.08 = 77,015.91 : x
  2. Step 2: Convert to fraction form
    134,338.11/185,413.08 = 77,015.91/x
  3. Step 3: Cross multiply
    134,338.11x = 185,413.08 × 77,015.91
  4. Step 4: Simplify right side
    134,338.11x = 14,279,757,082.10
  5. Step 5: Solve for x
    x = 14,279,757,082.10/134,338.11
  6. Step 6: Final answer
    x = 106,297.14

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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.