Home / 177,450.84-266,075.82-72,145.98

Finding the Fourth Proportional to 177,450.84, 266,075.82 and 72,145.98

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Solution

The fourth proportional to 177,450.84, 266,075.82 and 72,145.98 is: 108,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,450.84 : 266,075.82 = 72,145.98 : x
  2. Step 2: Convert to fraction form
    177,450.84/266,075.82 = 72,145.98/x
  3. Step 3: Cross multiply
    177,450.84x = 266,075.82 × 72,145.98
  4. Step 4: Simplify right side
    177,450.84x = 19,196,300,788.20
  5. Step 5: Solve for x
    x = 19,196,300,788.20/177,450.84
  6. Step 6: Final answer
    x = 108,178.13

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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.