Home / 186,380.60-279,570.87-46,139.22

Finding the Fourth Proportional to 186,380.60, 279,570.87 and 46,139.22

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Solution

The fourth proportional to 186,380.60, 279,570.87 and 46,139.22 is: 69,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,380.60 : 279,570.87 = 46,139.22 : x
  2. Step 2: Convert to fraction form
    186,380.60/279,570.87 = 46,139.22/x
  3. Step 3: Cross multiply
    186,380.60x = 279,570.87 × 46,139.22
  4. Step 4: Simplify right side
    186,380.60x = 12,899,181,876.52
  5. Step 5: Solve for x
    x = 12,899,181,876.52/186,380.60
  6. Step 6: Final answer
    x = 69,208.82

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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.