Home / 175,652.31-242,433.03-100,200.81

Finding the Fourth Proportional to 175,652.31, 242,433.03 and 100,200.81

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Solution

The fourth proportional to 175,652.31, 242,433.03 and 100,200.81 is: 138,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,652.31 : 242,433.03 = 100,200.81 : x
  2. Step 2: Convert to fraction form
    175,652.31/242,433.03 = 100,200.81/x
  3. Step 3: Cross multiply
    175,652.31x = 242,433.03 × 100,200.81
  4. Step 4: Simplify right side
    175,652.31x = 24,291,985,976.75
  5. Step 5: Solve for x
    x = 24,291,985,976.75/175,652.31
  6. Step 6: Final answer
    x = 138,295.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.