Home / 168,000.90-252,001.35-151,412.10

Finding the Fourth Proportional to 168,000.90, 252,001.35 and 151,412.10

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Solution

The fourth proportional to 168,000.90, 252,001.35 and 151,412.10 is: 227,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.90 : 252,001.35 = 151,412.10 : x
  2. Step 2: Convert to fraction form
    168,000.90/252,001.35 = 151,412.10/x
  3. Step 3: Cross multiply
    168,000.90x = 252,001.35 × 151,412.10
  4. Step 4: Simplify right side
    168,000.90x = 38,156,053,606.34
  5. Step 5: Solve for x
    x = 38,156,053,606.34/168,000.90
  6. Step 6: Final answer
    x = 227,118.15

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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.