Home / 141,571.29-212,356.95-36,390.36

Finding the Fourth Proportional to 141,571.29, 212,356.95 and 36,390.36

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Solution

The fourth proportional to 141,571.29, 212,356.95 and 36,390.36 is: 54,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,571.29 : 212,356.95 = 36,390.36 : x
  2. Step 2: Convert to fraction form
    141,571.29/212,356.95 = 36,390.36/x
  3. Step 3: Cross multiply
    141,571.29x = 212,356.95 × 36,390.36
  4. Step 4: Simplify right side
    141,571.29x = 7,727,745,859.00
  5. Step 5: Solve for x
    x = 7,727,745,859.00/141,571.29
  6. Step 6: Final answer
    x = 54,585.54

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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.