Home / 140,529.45-193,876.17-89,533.05

Finding the Fourth Proportional to 140,529.45, 193,876.17 and 89,533.05

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Solution

The fourth proportional to 140,529.45, 193,876.17 and 89,533.05 is: 123,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,529.45 : 193,876.17 = 89,533.05 : x
  2. Step 2: Convert to fraction form
    140,529.45/193,876.17 = 89,533.05/x
  3. Step 3: Cross multiply
    140,529.45x = 193,876.17 × 89,533.05
  4. Step 4: Simplify right side
    140,529.45x = 17,358,323,759.63
  5. Step 5: Solve for x
    x = 17,358,323,759.63/140,529.45
  6. Step 6: Final answer
    x = 123,520.90

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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.