Home / 162,145.06-243,223.74-43,816.41

Finding the Fourth Proportional to 162,145.06, 243,223.74 and 43,816.41

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Solution

The fourth proportional to 162,145.06, 243,223.74 and 43,816.41 is: 65,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,145.06 : 243,223.74 = 43,816.41 : x
  2. Step 2: Convert to fraction form
    162,145.06/243,223.74 = 43,816.41/x
  3. Step 3: Cross multiply
    162,145.06x = 243,223.74 × 43,816.41
  4. Step 4: Simplify right side
    162,145.06x = 10,657,191,113.57
  5. Step 5: Solve for x
    x = 10,657,191,113.57/162,145.06
  6. Step 6: Final answer
    x = 65,726.28

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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.