Home / 134,067.90-201,101.85-86,828.70

Finding the Fourth Proportional to 134,067.90, 201,101.85 and 86,828.70

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Solution

The fourth proportional to 134,067.90, 201,101.85 and 86,828.70 is: 130,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,067.90 : 201,101.85 = 86,828.70 : x
  2. Step 2: Convert to fraction form
    134,067.90/201,101.85 = 86,828.70/x
  3. Step 3: Cross multiply
    134,067.90x = 201,101.85 × 86,828.70
  4. Step 4: Simplify right side
    134,067.90x = 17,461,412,203.10
  5. Step 5: Solve for x
    x = 17,461,412,203.10/134,067.90
  6. Step 6: Final answer
    x = 130,243.05

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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.