Home / 135,094.24-186,413.88-74,656.66

Finding the Fourth Proportional to 135,094.24, 186,413.88 and 74,656.66

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Solution

The fourth proportional to 135,094.24, 186,413.88 and 74,656.66 is: 103,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,094.24 : 186,413.88 = 74,656.66 : x
  2. Step 2: Convert to fraction form
    135,094.24/186,413.88 = 74,656.66/x
  3. Step 3: Cross multiply
    135,094.24x = 186,413.88 × 74,656.66
  4. Step 4: Simplify right side
    135,094.24x = 13,917,037,658.44
  5. Step 5: Solve for x
    x = 13,917,037,658.44/135,094.24
  6. Step 6: Final answer
    x = 103,017.25

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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.