Home / 177,619.56-266,534.37-65,378.58

Finding the Fourth Proportional to 177,619.56, 266,534.37 and 65,378.58

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Solution

The fourth proportional to 177,619.56, 266,534.37 and 65,378.58 is: 98,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,619.56 : 266,534.37 = 65,378.58 : x
  2. Step 2: Convert to fraction form
    177,619.56/266,534.37 = 65,378.58/x
  3. Step 3: Cross multiply
    177,619.56x = 266,534.37 × 65,378.58
  4. Step 4: Simplify right side
    177,619.56x = 17,425,638,631.79
  5. Step 5: Solve for x
    x = 17,425,638,631.79/177,619.56
  6. Step 6: Final answer
    x = 98,106.53

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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.