Home / 134,669.22-185,836.02-74,239.77

Finding the Fourth Proportional to 134,669.22, 185,836.02 and 74,239.77

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Solution

The fourth proportional to 134,669.22, 185,836.02 and 74,239.77 is: 102,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,669.22 : 185,836.02 = 74,239.77 : x
  2. Step 2: Convert to fraction form
    134,669.22/185,836.02 = 74,239.77/x
  3. Step 3: Cross multiply
    134,669.22x = 185,836.02 × 74,239.77
  4. Step 4: Simplify right side
    134,669.22x = 13,796,423,382.52
  5. Step 5: Solve for x
    x = 13,796,423,382.52/134,669.22
  6. Step 6: Final answer
    x = 102,446.75

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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.