Home / 134,552.66-185,681.77-74,121.93

Finding the Fourth Proportional to 134,552.66, 185,681.77 and 74,121.93

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Solution

The fourth proportional to 134,552.66, 185,681.77 and 74,121.93 is: 102,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,552.66 : 185,681.77 = 74,121.93 : x
  2. Step 2: Convert to fraction form
    134,552.66/185,681.77 = 74,121.93/x
  3. Step 3: Cross multiply
    134,552.66x = 185,681.77 × 74,121.93
  4. Step 4: Simplify right side
    134,552.66x = 13,763,090,972.91
  5. Step 5: Solve for x
    x = 13,763,090,972.91/134,552.66
  6. Step 6: Final answer
    x = 102,287.77

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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.