Home / 177,856.08-266,784.59-72,675.06

Finding the Fourth Proportional to 177,856.08, 266,784.59 and 72,675.06

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Solution

The fourth proportional to 177,856.08, 266,784.59 and 72,675.06 is: 109,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,856.08 : 266,784.59 = 72,675.06 : x
  2. Step 2: Convert to fraction form
    177,856.08/266,784.59 = 72,675.06/x
  3. Step 3: Cross multiply
    177,856.08x = 266,784.59 × 72,675.06
  4. Step 4: Simplify right side
    177,856.08x = 19,388,585,721.95
  5. Step 5: Solve for x
    x = 19,388,585,721.95/177,856.08
  6. Step 6: Final answer
    x = 109,012.78

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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.