Home / 134,787.02-185,995.65-74,359.94

Finding the Fourth Proportional to 134,787.02, 185,995.65 and 74,359.94

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Solution

The fourth proportional to 134,787.02, 185,995.65 and 74,359.94 is: 102,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.02 : 185,995.65 = 74,359.94 : x
  2. Step 2: Convert to fraction form
    134,787.02/185,995.65 = 74,359.94/x
  3. Step 3: Cross multiply
    134,787.02x = 185,995.65 × 74,359.94
  4. Step 4: Simplify right side
    134,787.02x = 13,830,625,374.26
  5. Step 5: Solve for x
    x = 13,830,625,374.26/134,787.02
  6. Step 6: Final answer
    x = 102,610.96

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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.