Home / 220,715.18-331,075.80-62,943.65

Finding the Fourth Proportional to 220,715.18, 331,075.80 and 62,943.65

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Solution

The fourth proportional to 220,715.18, 331,075.80 and 62,943.65 is: 94,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,715.18 : 331,075.80 = 62,943.65 : x
  2. Step 2: Convert to fraction form
    220,715.18/331,075.80 = 62,943.65/x
  3. Step 3: Cross multiply
    220,715.18x = 331,075.80 × 62,943.65
  4. Step 4: Simplify right side
    220,715.18x = 20,839,117,623.29
  5. Step 5: Solve for x
    x = 20,839,117,623.29/220,715.18
  6. Step 6: Final answer
    x = 94,416.33

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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.