Home / 134,651.91-185,827.94-74,222.40

Finding the Fourth Proportional to 134,651.91, 185,827.94 and 74,222.40

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Solution

The fourth proportional to 134,651.91, 185,827.94 and 74,222.40 is: 102,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,651.91 : 185,827.94 = 74,222.40 : x
  2. Step 2: Convert to fraction form
    134,651.91/185,827.94 = 74,222.40/x
  3. Step 3: Cross multiply
    134,651.91x = 185,827.94 × 74,222.40
  4. Step 4: Simplify right side
    134,651.91x = 13,792,596,297.93
  5. Step 5: Solve for x
    x = 13,792,596,297.93/134,651.91
  6. Step 6: Final answer
    x = 102,431.49

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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.