Home / 186,302.07-279,266.24-86,532.33

Finding the Fourth Proportional to 186,302.07, 279,266.24 and 86,532.33

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Solution

The fourth proportional to 186,302.07, 279,266.24 and 86,532.33 is: 129,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,302.07 : 279,266.24 = 86,532.33 : x
  2. Step 2: Convert to fraction form
    186,302.07/279,266.24 = 86,532.33/x
  3. Step 3: Cross multiply
    186,302.07x = 279,266.24 × 86,532.33
  4. Step 4: Simplify right side
    186,302.07x = 24,165,559,701.12
  5. Step 5: Solve for x
    x = 24,165,559,701.12/186,302.07
  6. Step 6: Final answer
    x = 129,711.71

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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.