Home / 143,065.88-214,637.09-49,571.63

Finding the Fourth Proportional to 143,065.88, 214,637.09 and 49,571.63

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Solution

The fourth proportional to 143,065.88, 214,637.09 and 49,571.63 is: 74,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,065.88 : 214,637.09 = 49,571.63 : x
  2. Step 2: Convert to fraction form
    143,065.88/214,637.09 = 49,571.63/x
  3. Step 3: Cross multiply
    143,065.88x = 214,637.09 × 49,571.63
  4. Step 4: Simplify right side
    143,065.88x = 10,639,909,088.71
  5. Step 5: Solve for x
    x = 10,639,909,088.71/143,065.88
  6. Step 6: Final answer
    x = 74,370.70

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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.