Home / 188,075.84-282,223.94-69,828.80

Finding the Fourth Proportional to 188,075.84, 282,223.94 and 69,828.80

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Solution

The fourth proportional to 188,075.84, 282,223.94 and 69,828.80 is: 104,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,075.84 : 282,223.94 = 69,828.80 : x
  2. Step 2: Convert to fraction form
    188,075.84/282,223.94 = 69,828.80/x
  3. Step 3: Cross multiply
    188,075.84x = 282,223.94 × 69,828.80
  4. Step 4: Simplify right side
    188,075.84x = 19,707,359,061.47
  5. Step 5: Solve for x
    x = 19,707,359,061.47/188,075.84
  6. Step 6: Final answer
    x = 104,784.11

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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.