Home / 177,786.16-266,679.50-72,605.14

Finding the Fourth Proportional to 177,786.16, 266,679.50 and 72,605.14

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Solution

The fourth proportional to 177,786.16, 266,679.50 and 72,605.14 is: 108,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,786.16 : 266,679.50 = 72,605.14 : x
  2. Step 2: Convert to fraction form
    177,786.16/266,679.50 = 72,605.14/x
  3. Step 3: Cross multiply
    177,786.16x = 266,679.50 × 72,605.14
  4. Step 4: Simplify right side
    177,786.16x = 19,362,301,402.91
  5. Step 5: Solve for x
    x = 19,362,301,402.91/177,786.16
  6. Step 6: Final answer
    x = 108,907.81

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1.5x scale

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.