Home / 177,768.47-266,528.21-65,434.11

Finding the Fourth Proportional to 177,768.47, 266,528.21 and 65,434.11

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Solution

The fourth proportional to 177,768.47, 266,528.21 and 65,434.11 is: 98,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,768.47 : 266,528.21 = 65,434.11 : x
  2. Step 2: Convert to fraction form
    177,768.47/266,528.21 = 65,434.11/x
  3. Step 3: Cross multiply
    177,768.47x = 266,528.21 × 65,434.11
  4. Step 4: Simplify right side
    177,768.47x = 17,440,035,884.07
  5. Step 5: Solve for x
    x = 17,440,035,884.07/177,768.47
  6. Step 6: Final answer
    x = 98,105.34

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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.