Home / 150,310.08-207,567.36-112,518.72

Finding the Fourth Proportional to 150,310.08, 207,567.36 and 112,518.72

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Solution

The fourth proportional to 150,310.08, 207,567.36 and 112,518.72 is: 155,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,310.08 : 207,567.36 = 112,518.72 : x
  2. Step 2: Convert to fraction form
    150,310.08/207,567.36 = 112,518.72/x
  3. Step 3: Cross multiply
    150,310.08x = 207,567.36 × 112,518.72
  4. Step 4: Simplify right side
    150,310.08x = 23,355,213,660.98
  5. Step 5: Solve for x
    x = 23,355,213,660.98/150,310.08
  6. Step 6: Final answer
    x = 155,380.22

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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.