Home / 186,380.47-279,570.70-46,139.09

Finding the Fourth Proportional to 186,380.47, 279,570.70 and 46,139.09

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Solution

The fourth proportional to 186,380.47, 279,570.70 and 46,139.09 is: 69,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,380.47 : 279,570.70 = 46,139.09 : x
  2. Step 2: Convert to fraction form
    186,380.47/279,570.70 = 46,139.09/x
  3. Step 3: Cross multiply
    186,380.47x = 279,570.70 × 46,139.09
  4. Step 4: Simplify right side
    186,380.47x = 12,899,137,688.66
  5. Step 5: Solve for x
    x = 12,899,137,688.66/186,380.47
  6. Step 6: Final answer
    x = 69,208.63

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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.