Home / 134,773.31-185,988.06-74,345.60

Finding the Fourth Proportional to 134,773.31, 185,988.06 and 74,345.60

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Solution

The fourth proportional to 134,773.31, 185,988.06 and 74,345.60 is: 102,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,773.31 : 185,988.06 = 74,345.60 : x
  2. Step 2: Convert to fraction form
    134,773.31/185,988.06 = 74,345.60/x
  3. Step 3: Cross multiply
    134,773.31x = 185,988.06 × 74,345.60
  4. Step 4: Simplify right side
    134,773.31x = 13,827,394,378.51
  5. Step 5: Solve for x
    x = 13,827,394,378.51/134,773.31
  6. Step 6: Final answer
    x = 102,597.42

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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.