Home / 236,001.32-353,870.75-78,143.66

Finding the Fourth Proportional to 236,001.32, 353,870.75 and 78,143.66

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Solution

The fourth proportional to 236,001.32, 353,870.75 and 78,143.66 is: 117,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,001.32 : 353,870.75 = 78,143.66 : x
  2. Step 2: Convert to fraction form
    236,001.32/353,870.75 = 78,143.66/x
  3. Step 3: Cross multiply
    236,001.32x = 353,870.75 × 78,143.66
  4. Step 4: Simplify right side
    236,001.32x = 27,652,753,411.87
  5. Step 5: Solve for x
    x = 27,652,753,411.87/236,001.32
  6. Step 6: Final answer
    x = 117,172.03

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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.