Home / 109,737.90-164,508.30-43,223.40

Finding the Fourth Proportional to 109,737.90, 164,508.30 and 43,223.40

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Solution

The fourth proportional to 109,737.90, 164,508.30 and 43,223.40 is: 64,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.90 : 164,508.30 = 43,223.40 : x
  2. Step 2: Convert to fraction form
    109,737.90/164,508.30 = 43,223.40/x
  3. Step 3: Cross multiply
    109,737.90x = 164,508.30 × 43,223.40
  4. Step 4: Simplify right side
    109,737.90x = 7,110,608,054.22
  5. Step 5: Solve for x
    x = 7,110,608,054.22/109,737.90
  6. Step 6: Final answer
    x = 64,796.28

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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.