Home / 142,609.97-213,607.41-134,225.75

Finding the Fourth Proportional to 142,609.97, 213,607.41 and 134,225.75

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Solution

The fourth proportional to 142,609.97, 213,607.41 and 134,225.75 is: 201,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,609.97 : 213,607.41 = 134,225.75 : x
  2. Step 2: Convert to fraction form
    142,609.97/213,607.41 = 134,225.75/x
  3. Step 3: Cross multiply
    142,609.97x = 213,607.41 × 134,225.75
  4. Step 4: Simplify right side
    142,609.97x = 28,671,614,843.48
  5. Step 5: Solve for x
    x = 28,671,614,843.48/142,609.97
  6. Step 6: Final answer
    x = 201,049.16

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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.