Home / 156,918.15-235,118.03-133,590.15

Finding the Fourth Proportional to 156,918.15, 235,118.03 and 133,590.15

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Solution

The fourth proportional to 156,918.15, 235,118.03 and 133,590.15 is: 200,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.15 : 235,118.03 = 133,590.15 : x
  2. Step 2: Convert to fraction form
    156,918.15/235,118.03 = 133,590.15/x
  3. Step 3: Cross multiply
    156,918.15x = 235,118.03 × 133,590.15
  4. Step 4: Simplify right side
    156,918.15x = 31,409,452,227.45
  5. Step 5: Solve for x
    x = 31,409,452,227.45/156,918.15
  6. Step 6: Final answer
    x = 200,164.56

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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.