Home / 435,422.18-653,157.58-135,944.12

Finding the Fourth Proportional to 435,422.18, 653,157.58 and 135,944.12

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Solution

The fourth proportional to 435,422.18, 653,157.58 and 135,944.12 is: 203,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,422.18 : 653,157.58 = 135,944.12 : x
  2. Step 2: Convert to fraction form
    435,422.18/653,157.58 = 135,944.12/x
  3. Step 3: Cross multiply
    435,422.18x = 653,157.58 × 135,944.12
  4. Step 4: Simplify right side
    435,422.18x = 88,792,932,434.43
  5. Step 5: Solve for x
    x = 88,792,932,434.43/435,422.18
  6. Step 6: Final answer
    x = 203,923.77

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1.5x scale

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.