Home / 134,577.11-185,720.60-77,226.93

Finding the Fourth Proportional to 134,577.11, 185,720.60 and 77,226.93

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Solution

The fourth proportional to 134,577.11, 185,720.60 and 77,226.93 is: 106,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,577.11 : 185,720.60 = 77,226.93 : x
  2. Step 2: Convert to fraction form
    134,577.11/185,720.60 = 77,226.93/x
  3. Step 3: Cross multiply
    134,577.11x = 185,720.60 × 77,226.93
  4. Step 4: Simplify right side
    134,577.11x = 14,342,632,665.28
  5. Step 5: Solve for x
    x = 14,342,632,665.28/134,577.11
  6. Step 6: Final answer
    x = 106,575.57

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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.