Home / 134,656.29-185,825.43-74,226.51

Finding the Fourth Proportional to 134,656.29, 185,825.43 and 74,226.51

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Solution

The fourth proportional to 134,656.29, 185,825.43 and 74,226.51 is: 102,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,656.29 : 185,825.43 = 74,226.51 : x
  2. Step 2: Convert to fraction form
    134,656.29/185,825.43 = 74,226.51/x
  3. Step 3: Cross multiply
    134,656.29x = 185,825.43 × 74,226.51
  4. Step 4: Simplify right side
    134,656.29x = 13,793,173,138.15
  5. Step 5: Solve for x
    x = 13,793,173,138.15/134,656.29
  6. Step 6: Final answer
    x = 102,432.45

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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.