Home / 134,999.80-202,370.10-104,997.40

Finding the Fourth Proportional to 134,999.80, 202,370.10 and 104,997.40

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Solution

The fourth proportional to 134,999.80, 202,370.10 and 104,997.40 is: 157,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,999.80 : 202,370.10 = 104,997.40 : x
  2. Step 2: Convert to fraction form
    134,999.80/202,370.10 = 104,997.40/x
  3. Step 3: Cross multiply
    134,999.80x = 202,370.10 × 104,997.40
  4. Step 4: Simplify right side
    134,999.80x = 21,248,334,337.74
  5. Step 5: Solve for x
    x = 21,248,334,337.74/134,999.80
  6. Step 6: Final answer
    x = 157,395.30

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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.