Home / 169,997.20-254,412.60-156,000.40

Finding the Fourth Proportional to 169,997.20, 254,412.60 and 156,000.40

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Solution

The fourth proportional to 169,997.20, 254,412.60 and 156,000.40 is: 233,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,997.20 : 254,412.60 = 156,000.40 : x
  2. Step 2: Convert to fraction form
    169,997.20/254,412.60 = 156,000.40/x
  3. Step 3: Cross multiply
    169,997.20x = 254,412.60 × 156,000.40
  4. Step 4: Simplify right side
    169,997.20x = 39,688,467,365.04
  5. Step 5: Solve for x
    x = 39,688,467,365.04/169,997.20
  6. Step 6: Final answer
    x = 233,465.42

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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.