Home / 186,868.40-280,245.96-68,549.36

Finding the Fourth Proportional to 186,868.40, 280,245.96 and 68,549.36

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Solution

The fourth proportional to 186,868.40, 280,245.96 and 68,549.36 is: 102,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,868.40 : 280,245.96 = 68,549.36 : x
  2. Step 2: Convert to fraction form
    186,868.40/280,245.96 = 68,549.36/x
  3. Step 3: Cross multiply
    186,868.40x = 280,245.96 × 68,549.36
  4. Step 4: Simplify right side
    186,868.40x = 19,210,681,200.59
  5. Step 5: Solve for x
    x = 19,210,681,200.59/186,868.40
  6. Step 6: Final answer
    x = 102,803.26

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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.