Home / 177,855.14-266,783.15-72,674.10

Finding the Fourth Proportional to 177,855.14, 266,783.15 and 72,674.10

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Solution

The fourth proportional to 177,855.14, 266,783.15 and 72,674.10 is: 109,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,855.14 : 266,783.15 = 72,674.10 : x
  2. Step 2: Convert to fraction form
    177,855.14/266,783.15 = 72,674.10/x
  3. Step 3: Cross multiply
    177,855.14x = 266,783.15 × 72,674.10
  4. Step 4: Simplify right side
    177,855.14x = 19,388,224,958.04
  5. Step 5: Solve for x
    x = 19,388,224,958.04/177,855.14
  6. Step 6: Final answer
    x = 109,011.33

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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.