Home / 186,281.25-279,424.44-53,161.47

Finding the Fourth Proportional to 186,281.25, 279,424.44 and 53,161.47

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Solution

The fourth proportional to 186,281.25, 279,424.44 and 53,161.47 is: 79,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,281.25 : 279,424.44 = 53,161.47 : x
  2. Step 2: Convert to fraction form
    186,281.25/279,424.44 = 53,161.47/x
  3. Step 3: Cross multiply
    186,281.25x = 279,424.44 × 53,161.47
  4. Step 4: Simplify right side
    186,281.25x = 14,854,613,984.33
  5. Step 5: Solve for x
    x = 14,854,613,984.33/186,281.25
  6. Step 6: Final answer
    x = 79,742.94

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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.