Home / 134,219.69-185,218.45-73,789.89

Finding the Fourth Proportional to 134,219.69, 185,218.45 and 73,789.89

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Solution

The fourth proportional to 134,219.69, 185,218.45 and 73,789.89 is: 101,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,219.69 : 185,218.45 = 73,789.89 : x
  2. Step 2: Convert to fraction form
    134,219.69/185,218.45 = 73,789.89/x
  3. Step 3: Cross multiply
    134,219.69x = 185,218.45 × 73,789.89
  4. Step 4: Simplify right side
    134,219.69x = 13,667,249,051.47
  5. Step 5: Solve for x
    x = 13,667,249,051.47/134,219.69
  6. Step 6: Final answer
    x = 101,827.45

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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.