Home / 557,985.16-836,851.96-158,617.09

Finding the Fourth Proportional to 557,985.16, 836,851.96 and 158,617.09

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Solution

The fourth proportional to 557,985.16, 836,851.96 and 158,617.09 is: 237,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,985.16 : 836,851.96 = 158,617.09 : x
  2. Step 2: Convert to fraction form
    557,985.16/836,851.96 = 158,617.09/x
  3. Step 3: Cross multiply
    557,985.16x = 836,851.96 × 158,617.09
  4. Step 4: Simplify right side
    557,985.16x = 132,739,022,656.00
  5. Step 5: Solve for x
    x = 132,739,022,656.00/557,985.16
  6. Step 6: Final answer
    x = 237,889.88

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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.