Home / 114,500.72-158,216.32-89,539.76

Finding the Fourth Proportional to 114,500.72, 158,216.32 and 89,539.76

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Solution

The fourth proportional to 114,500.72, 158,216.32 and 89,539.76 is: 123,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,500.72 : 158,216.32 = 89,539.76 : x
  2. Step 2: Convert to fraction form
    114,500.72/158,216.32 = 89,539.76/x
  3. Step 3: Cross multiply
    114,500.72x = 158,216.32 × 89,539.76
  4. Step 4: Simplify right side
    114,500.72x = 14,166,651,320.88
  5. Step 5: Solve for x
    x = 14,166,651,320.88/114,500.72
  6. Step 6: Final answer
    x = 123,725.43

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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.