Home / 177,790.32-266,685.48-71,222.76

Finding the Fourth Proportional to 177,790.32, 266,685.48 and 71,222.76

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Solution

The fourth proportional to 177,790.32, 266,685.48 and 71,222.76 is: 106,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,790.32 : 266,685.48 = 71,222.76 : x
  2. Step 2: Convert to fraction form
    177,790.32/266,685.48 = 71,222.76/x
  3. Step 3: Cross multiply
    177,790.32x = 266,685.48 × 71,222.76
  4. Step 4: Simplify right side
    177,790.32x = 18,994,075,937.52
  5. Step 5: Solve for x
    x = 18,994,075,937.52/177,790.32
  6. Step 6: Final answer
    x = 106,834.14

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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.