Home / 186,278.02-279,417.12-61,619.02

Finding the Fourth Proportional to 186,278.02, 279,417.12 and 61,619.02

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Solution

The fourth proportional to 186,278.02, 279,417.12 and 61,619.02 is: 92,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,278.02 : 279,417.12 = 61,619.02 : x
  2. Step 2: Convert to fraction form
    186,278.02/279,417.12 = 61,619.02/x
  3. Step 3: Cross multiply
    186,278.02x = 279,417.12 × 61,619.02
  4. Step 4: Simplify right side
    186,278.02x = 17,217,409,105.62
  5. Step 5: Solve for x
    x = 17,217,409,105.62/186,278.02
  6. Step 6: Final answer
    x = 92,428.56

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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.