Home / 177,780.36-266,670-59,424.60

Finding the Fourth Proportional to 177,780.36, 266,670 and 59,424.60

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Solution

The fourth proportional to 177,780.36, 266,670 and 59,424.60 is: 89,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,780.36 : 266,670 = 59,424.60 : x
  2. Step 2: Convert to fraction form
    177,780.36/266,670 = 59,424.60/x
  3. Step 3: Cross multiply
    177,780.36x = 266,670 × 59,424.60
  4. Step 4: Simplify right side
    177,780.36x = 15,846,758,082
  5. Step 5: Solve for x
    x = 15,846,758,082/177,780.36
  6. Step 6: Final answer
    x = 89,136.72

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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.