Home / 557,412.12-836,149.97-158,021.50

Finding the Fourth Proportional to 557,412.12, 836,149.97 and 158,021.50

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Solution

The fourth proportional to 557,412.12, 836,149.97 and 158,021.50 is: 237,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,412.12 : 836,149.97 = 158,021.50 : x
  2. Step 2: Convert to fraction form
    557,412.12/836,149.97 = 158,021.50/x
  3. Step 3: Cross multiply
    557,412.12x = 836,149.97 × 158,021.50
  4. Step 4: Simplify right side
    557,412.12x = 132,129,672,484.36
  5. Step 5: Solve for x
    x = 132,129,672,484.36/557,412.12
  6. Step 6: Final answer
    x = 237,041.26

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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.