Home / 134,718.73-185,913.02-74,291.51

Finding the Fourth Proportional to 134,718.73, 185,913.02 and 74,291.51

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Solution

The fourth proportional to 134,718.73, 185,913.02 and 74,291.51 is: 102,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,718.73 : 185,913.02 = 74,291.51 : x
  2. Step 2: Convert to fraction form
    134,718.73/185,913.02 = 74,291.51/x
  3. Step 3: Cross multiply
    134,718.73x = 185,913.02 × 74,291.51
  4. Step 4: Simplify right side
    134,718.73x = 13,811,759,634.97
  5. Step 5: Solve for x
    x = 13,811,759,634.97/134,718.73
  6. Step 6: Final answer
    x = 102,522.94

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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.