Home / 177,776.42-266,664.87-72,595.38

Finding the Fourth Proportional to 177,776.42, 266,664.87 and 72,595.38

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Solution

The fourth proportional to 177,776.42, 266,664.87 and 72,595.38 is: 108,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,776.42 : 266,664.87 = 72,595.38 : x
  2. Step 2: Convert to fraction form
    177,776.42/266,664.87 = 72,595.38/x
  3. Step 3: Cross multiply
    177,776.42x = 266,664.87 × 72,595.38
  4. Step 4: Simplify right side
    177,776.42x = 19,358,637,570.30
  5. Step 5: Solve for x
    x = 19,358,637,570.30/177,776.42
  6. Step 6: Final answer
    x = 108,893.17

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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.