Home / 142,103.35-213,116.14-53,350.03

Finding the Fourth Proportional to 142,103.35, 213,116.14 and 53,350.03

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Solution

The fourth proportional to 142,103.35, 213,116.14 and 53,350.03 is: 80,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,103.35 : 213,116.14 = 53,350.03 : x
  2. Step 2: Convert to fraction form
    142,103.35/213,116.14 = 53,350.03/x
  3. Step 3: Cross multiply
    142,103.35x = 213,116.14 × 53,350.03
  4. Step 4: Simplify right side
    142,103.35x = 11,369,752,462.48
  5. Step 5: Solve for x
    x = 11,369,752,462.48/142,103.35
  6. Step 6: Final answer
    x = 80,010.45

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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.