Home / 186,985.94-280,312.16-68,629.82

Finding the Fourth Proportional to 186,985.94, 280,312.16 and 68,629.82

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Solution

The fourth proportional to 186,985.94, 280,312.16 and 68,629.82 is: 102,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,985.94 : 280,312.16 = 68,629.82 : x
  2. Step 2: Convert to fraction form
    186,985.94/280,312.16 = 68,629.82/x
  3. Step 3: Cross multiply
    186,985.94x = 280,312.16 × 68,629.82
  4. Step 4: Simplify right side
    186,985.94x = 19,237,773,084.61
  5. Step 5: Solve for x
    x = 19,237,773,084.61/186,985.94
  6. Step 6: Final answer
    x = 102,883.53

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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.