Home / 252,237.24-378,281.88-94,428.72

Finding the Fourth Proportional to 252,237.24, 378,281.88 and 94,428.72

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Solution

The fourth proportional to 252,237.24, 378,281.88 and 94,428.72 is: 141,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,237.24 : 378,281.88 = 94,428.72 : x
  2. Step 2: Convert to fraction form
    252,237.24/378,281.88 = 94,428.72/x
  3. Step 3: Cross multiply
    252,237.24x = 378,281.88 × 94,428.72
  4. Step 4: Simplify right side
    252,237.24x = 35,720,673,727.59
  5. Step 5: Solve for x
    x = 35,720,673,727.59/252,237.24
  6. Step 6: Final answer
    x = 141,615.38

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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.