Home / 150,319.08-207,579.78-112,527.72

Finding the Fourth Proportional to 150,319.08, 207,579.78 and 112,527.72

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Solution

The fourth proportional to 150,319.08, 207,579.78 and 112,527.72 is: 155,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,319.08 : 207,579.78 = 112,527.72 : x
  2. Step 2: Convert to fraction form
    150,319.08/207,579.78 = 112,527.72/x
  3. Step 3: Cross multiply
    150,319.08x = 207,579.78 × 112,527.72
  4. Step 4: Simplify right side
    150,319.08x = 23,358,479,361.50
  5. Step 5: Solve for x
    x = 23,358,479,361.50/150,319.08
  6. Step 6: Final answer
    x = 155,392.64

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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.