Home / 186,369.78-279,526.02-102,171.66

Finding the Fourth Proportional to 186,369.78, 279,526.02 and 102,171.66

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Solution

The fourth proportional to 186,369.78, 279,526.02 and 102,171.66 is: 153,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,369.78 : 279,526.02 = 102,171.66 : x
  2. Step 2: Convert to fraction form
    186,369.78/279,526.02 = 102,171.66/x
  3. Step 3: Cross multiply
    186,369.78x = 279,526.02 × 102,171.66
  4. Step 4: Simplify right side
    186,369.78x = 28,559,637,476.59
  5. Step 5: Solve for x
    x = 28,559,637,476.59/186,369.78
  6. Step 6: Final answer
    x = 153,241.78

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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.