Home / 177,856.14-266,784.65-72,675.10

Finding the Fourth Proportional to 177,856.14, 266,784.65 and 72,675.10

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Solution

The fourth proportional to 177,856.14, 266,784.65 and 72,675.10 is: 109,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,856.14 : 266,784.65 = 72,675.10 : x
  2. Step 2: Convert to fraction form
    177,856.14/266,784.65 = 72,675.10/x
  3. Step 3: Cross multiply
    177,856.14x = 266,784.65 × 72,675.10
  4. Step 4: Simplify right side
    177,856.14x = 19,388,601,117.22
  5. Step 5: Solve for x
    x = 19,388,601,117.22/177,856.14
  6. Step 6: Final answer
    x = 109,012.83

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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.