Home / 177,578.10-266,075.55-147,834.90

Finding the Fourth Proportional to 177,578.10, 266,075.55 and 147,834.90

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Solution

The fourth proportional to 177,578.10, 266,075.55 and 147,834.90 is: 221,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,578.10 : 266,075.55 = 147,834.90 : x
  2. Step 2: Convert to fraction form
    177,578.10/266,075.55 = 147,834.90/x
  3. Step 3: Cross multiply
    177,578.10x = 266,075.55 × 147,834.90
  4. Step 4: Simplify right side
    177,578.10x = 39,335,252,326.70
  5. Step 5: Solve for x
    x = 39,335,252,326.70/177,578.10
  6. Step 6: Final answer
    x = 221,509.59

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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.