Home / 186,535.99-279,539.02-143,679.39

Finding the Fourth Proportional to 186,535.99, 279,539.02 and 143,679.39

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Solution

The fourth proportional to 186,535.99, 279,539.02 and 143,679.39 is: 215,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,535.99 : 279,539.02 = 143,679.39 : x
  2. Step 2: Convert to fraction form
    186,535.99/279,539.02 = 143,679.39/x
  3. Step 3: Cross multiply
    186,535.99x = 279,539.02 × 143,679.39
  4. Step 4: Simplify right side
    186,535.99x = 40,163,995,874.80
  5. Step 5: Solve for x
    x = 40,163,995,874.80/186,535.99
  6. Step 6: Final answer
    x = 215,315.00

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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.