Home / 165,037.32-247,516.16-76,205.43

Finding the Fourth Proportional to 165,037.32, 247,516.16 and 76,205.43

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Solution

The fourth proportional to 165,037.32, 247,516.16 and 76,205.43 is: 114,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,037.32 : 247,516.16 = 76,205.43 : x
  2. Step 2: Convert to fraction form
    165,037.32/247,516.16 = 76,205.43/x
  3. Step 3: Cross multiply
    165,037.32x = 247,516.16 × 76,205.43
  4. Step 4: Simplify right side
    165,037.32x = 18,862,075,023.72
  5. Step 5: Solve for x
    x = 18,862,075,023.72/165,037.32
  6. Step 6: Final answer
    x = 114,289.76

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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.