Home / 133,277.22-199,886.36-38,486.77

Finding the Fourth Proportional to 133,277.22, 199,886.36 and 38,486.77

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Solution

The fourth proportional to 133,277.22, 199,886.36 and 38,486.77 is: 57,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,277.22 : 199,886.36 = 38,486.77 : x
  2. Step 2: Convert to fraction form
    133,277.22/199,886.36 = 38,486.77/x
  3. Step 3: Cross multiply
    133,277.22x = 199,886.36 × 38,486.77
  4. Step 4: Simplify right side
    133,277.22x = 7,692,979,671.31
  5. Step 5: Solve for x
    x = 7,692,979,671.31/133,277.22
  6. Step 6: Final answer
    x = 57,721.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.