Home / 186,999.02-280,522.79-85,772.66

Finding the Fourth Proportional to 186,999.02, 280,522.79 and 85,772.66

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Solution

The fourth proportional to 186,999.02, 280,522.79 and 85,772.66 is: 128,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,999.02 : 280,522.79 = 85,772.66 : x
  2. Step 2: Convert to fraction form
    186,999.02/280,522.79 = 85,772.66/x
  3. Step 3: Cross multiply
    186,999.02x = 280,522.79 × 85,772.66
  4. Step 4: Simplify right side
    186,999.02x = 24,061,186,804.66
  5. Step 5: Solve for x
    x = 24,061,186,804.66/186,999.02
  6. Step 6: Final answer
    x = 128,670.12

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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.