Home / 177,856.16-266,784.70-72,675.14

Finding the Fourth Proportional to 177,856.16, 266,784.70 and 72,675.14

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Solution

The fourth proportional to 177,856.16, 266,784.70 and 72,675.14 is: 109,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,856.16 : 266,784.70 = 72,675.14 : x
  2. Step 2: Convert to fraction form
    177,856.16/266,784.70 = 72,675.14/x
  3. Step 3: Cross multiply
    177,856.16x = 266,784.70 × 72,675.14
  4. Step 4: Simplify right side
    177,856.16x = 19,388,615,422.36
  5. Step 5: Solve for x
    x = 19,388,615,422.36/177,856.16
  6. Step 6: Final answer
    x = 109,012.90

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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.