Home / 188,549.40-282,916.26-88,719.51

Finding the Fourth Proportional to 188,549.40, 282,916.26 and 88,719.51

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Solution

The fourth proportional to 188,549.40, 282,916.26 and 88,719.51 is: 133,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,549.40 : 282,916.26 = 88,719.51 : x
  2. Step 2: Convert to fraction form
    188,549.40/282,916.26 = 88,719.51/x
  3. Step 3: Cross multiply
    188,549.40x = 282,916.26 × 88,719.51
  4. Step 4: Simplify right side
    188,549.40x = 25,100,191,958.23
  5. Step 5: Solve for x
    x = 25,100,191,958.23/188,549.40
  6. Step 6: Final answer
    x = 133,122.63

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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.