Home / 146,124.66-201,661.20-85,673.28

Finding the Fourth Proportional to 146,124.66, 201,661.20 and 85,673.28

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Solution

The fourth proportional to 146,124.66, 201,661.20 and 85,673.28 is: 118,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,124.66 : 201,661.20 = 85,673.28 : x
  2. Step 2: Convert to fraction form
    146,124.66/201,661.20 = 85,673.28/x
  3. Step 3: Cross multiply
    146,124.66x = 201,661.20 × 85,673.28
  4. Step 4: Simplify right side
    146,124.66x = 17,276,976,452.74
  5. Step 5: Solve for x
    x = 17,276,976,452.74/146,124.66
  6. Step 6: Final answer
    x = 118,234.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.