Home / 146,567.80-219,851.70-87,470.20

Finding the Fourth Proportional to 146,567.80, 219,851.70 and 87,470.20

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Solution

The fourth proportional to 146,567.80, 219,851.70 and 87,470.20 is: 131,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,567.80 : 219,851.70 = 87,470.20 : x
  2. Step 2: Convert to fraction form
    146,567.80/219,851.70 = 87,470.20/x
  3. Step 3: Cross multiply
    146,567.80x = 219,851.70 × 87,470.20
  4. Step 4: Simplify right side
    146,567.80x = 19,230,472,169.34
  5. Step 5: Solve for x
    x = 19,230,472,169.34/146,567.80
  6. Step 6: Final answer
    x = 131,205.30

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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.