Home / 150,678.57-225,478.20-130,485.27

Finding the Fourth Proportional to 150,678.57, 225,478.20 and 130,485.27

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Solution

The fourth proportional to 150,678.57, 225,478.20 and 130,485.27 is: 195,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,678.57 : 225,478.20 = 130,485.27 : x
  2. Step 2: Convert to fraction form
    150,678.57/225,478.20 = 130,485.27/x
  3. Step 3: Cross multiply
    150,678.57x = 225,478.20 × 130,485.27
  4. Step 4: Simplify right side
    150,678.57x = 29,421,583,806.11
  5. Step 5: Solve for x
    x = 29,421,583,806.11/150,678.57
  6. Step 6: Final answer
    x = 195,260.57

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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.