Home / 186,853.06-280,112.93-68,496.77

Finding the Fourth Proportional to 186,853.06, 280,112.93 and 68,496.77

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Solution

The fourth proportional to 186,853.06, 280,112.93 and 68,496.77 is: 102,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,853.06 : 280,112.93 = 68,496.77 : x
  2. Step 2: Convert to fraction form
    186,853.06/280,112.93 = 68,496.77/x
  3. Step 3: Cross multiply
    186,853.06x = 280,112.93 × 68,496.77
  4. Step 4: Simplify right side
    186,853.06x = 19,186,829,197.19
  5. Step 5: Solve for x
    x = 19,186,829,197.19/186,853.06
  6. Step 6: Final answer
    x = 102,684.05

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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.