Home / 142,240.27-213,286.90-52,260.01

Finding the Fourth Proportional to 142,240.27, 213,286.90 and 52,260.01

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Solution

The fourth proportional to 142,240.27, 213,286.90 and 52,260.01 is: 78,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,240.27 : 213,286.90 = 52,260.01 : x
  2. Step 2: Convert to fraction form
    142,240.27/213,286.90 = 52,260.01/x
  3. Step 3: Cross multiply
    142,240.27x = 213,286.90 × 52,260.01
  4. Step 4: Simplify right side
    142,240.27x = 11,146,374,890.36
  5. Step 5: Solve for x
    x = 11,146,374,890.36/142,240.27
  6. Step 6: Final answer
    x = 78,363.00

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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.