Home / 131,605.04-197,420.10-36,835.28

Finding the Fourth Proportional to 131,605.04, 197,420.10 and 36,835.28

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Solution

The fourth proportional to 131,605.04, 197,420.10 and 36,835.28 is: 55,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605.04 : 197,420.10 = 36,835.28 : x
  2. Step 2: Convert to fraction form
    131,605.04/197,420.10 = 36,835.28/x
  3. Step 3: Cross multiply
    131,605.04x = 197,420.10 × 36,835.28
  4. Step 4: Simplify right side
    131,605.04x = 7,272,024,661.13
  5. Step 5: Solve for x
    x = 7,272,024,661.13/131,605.04
  6. Step 6: Final answer
    x = 55,256.43

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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.