Home / 102,203.08-153,327.66-31,132.06

Finding the Fourth Proportional to 102,203.08, 153,327.66 and 31,132.06

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Solution

The fourth proportional to 102,203.08, 153,327.66 and 31,132.06 is: 46,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,203.08 : 153,327.66 = 31,132.06 : x
  2. Step 2: Convert to fraction form
    102,203.08/153,327.66 = 31,132.06/x
  3. Step 3: Cross multiply
    102,203.08x = 153,327.66 × 31,132.06
  4. Step 4: Simplify right side
    102,203.08x = 4,773,405,910.78
  5. Step 5: Solve for x
    x = 4,773,405,910.78/102,203.08
  6. Step 6: Final answer
    x = 46,705.11

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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.