Home / 177,683.10-266,427.45-72,383.10

Finding the Fourth Proportional to 177,683.10, 266,427.45 and 72,383.10

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Solution

The fourth proportional to 177,683.10, 266,427.45 and 72,383.10 is: 108,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,683.10 : 266,427.45 = 72,383.10 : x
  2. Step 2: Convert to fraction form
    177,683.10/266,427.45 = 72,383.10/x
  3. Step 3: Cross multiply
    177,683.10x = 266,427.45 × 72,383.10
  4. Step 4: Simplify right side
    177,683.10x = 19,284,844,756.10
  5. Step 5: Solve for x
    x = 19,284,844,756.10/177,683.10
  6. Step 6: Final answer
    x = 108,535.05

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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.