Home / 134,620.01-185,784.39-77,277.90

Finding the Fourth Proportional to 134,620.01, 185,784.39 and 77,277.90

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Solution

The fourth proportional to 134,620.01, 185,784.39 and 77,277.90 is: 106,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,620.01 : 185,784.39 = 77,277.90 : x
  2. Step 2: Convert to fraction form
    134,620.01/185,784.39 = 77,277.90/x
  3. Step 3: Cross multiply
    134,620.01x = 185,784.39 × 77,277.90
  4. Step 4: Simplify right side
    134,620.01x = 14,357,027,125.59
  5. Step 5: Solve for x
    x = 14,357,027,125.59/134,620.01
  6. Step 6: Final answer
    x = 106,648.54

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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.