Home / 150,725.80-226,088.70-142,124.20

Finding the Fourth Proportional to 150,725.80, 226,088.70 and 142,124.20

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Solution

The fourth proportional to 150,725.80, 226,088.70 and 142,124.20 is: 213,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,725.80 : 226,088.70 = 142,124.20 : x
  2. Step 2: Convert to fraction form
    150,725.80/226,088.70 = 142,124.20/x
  3. Step 3: Cross multiply
    150,725.80x = 226,088.70 × 142,124.20
  4. Step 4: Simplify right side
    150,725.80x = 32,132,675,616.54
  5. Step 5: Solve for x
    x = 32,132,675,616.54/150,725.80
  6. Step 6: Final answer
    x = 213,186.30

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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.