Home / 146,157.90-201,714.92-121,585.30

Finding the Fourth Proportional to 146,157.90, 201,714.92 and 121,585.30

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Solution

The fourth proportional to 146,157.90, 201,714.92 and 121,585.30 is: 167,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,157.90 : 201,714.92 = 121,585.30 : x
  2. Step 2: Convert to fraction form
    146,157.90/201,714.92 = 121,585.30/x
  3. Step 3: Cross multiply
    146,157.90x = 201,714.92 × 121,585.30
  4. Step 4: Simplify right side
    146,157.90x = 24,525,569,062.68
  5. Step 5: Solve for x
    x = 24,525,569,062.68/146,157.90
  6. Step 6: Final answer
    x = 167,801.87

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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.