Home / 151,576.11-209,172.27-83,599.38

Finding the Fourth Proportional to 151,576.11, 209,172.27 and 83,599.38

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Solution

The fourth proportional to 151,576.11, 209,172.27 and 83,599.38 is: 115,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,576.11 : 209,172.27 = 83,599.38 : x
  2. Step 2: Convert to fraction form
    151,576.11/209,172.27 = 83,599.38/x
  3. Step 3: Cross multiply
    151,576.11x = 209,172.27 × 83,599.38
  4. Step 4: Simplify right side
    151,576.11x = 17,486,672,085.19
  5. Step 5: Solve for x
    x = 17,486,672,085.19/151,576.11
  6. Step 6: Final answer
    x = 115,365.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.