Home / 186,631.53-279,947.28-61,972.53

Finding the Fourth Proportional to 186,631.53, 279,947.28 and 61,972.53

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Solution

The fourth proportional to 186,631.53, 279,947.28 and 61,972.53 is: 92,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.53 : 279,947.28 = 61,972.53 : x
  2. Step 2: Convert to fraction form
    186,631.53/279,947.28 = 61,972.53/x
  3. Step 3: Cross multiply
    186,631.53x = 279,947.28 × 61,972.53
  4. Step 4: Simplify right side
    186,631.53x = 17,349,041,208.22
  5. Step 5: Solve for x
    x = 17,349,041,208.22/186,631.53
  6. Step 6: Final answer
    x = 92,958.79

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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.