Home / 152,195.40-228,293.10-99,664.20

Finding the Fourth Proportional to 152,195.40, 228,293.10 and 99,664.20

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Solution

The fourth proportional to 152,195.40, 228,293.10 and 99,664.20 is: 149,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,195.40 : 228,293.10 = 99,664.20 : x
  2. Step 2: Convert to fraction form
    152,195.40/228,293.10 = 99,664.20/x
  3. Step 3: Cross multiply
    152,195.40x = 228,293.10 × 99,664.20
  4. Step 4: Simplify right side
    152,195.40x = 22,752,649,177.02
  5. Step 5: Solve for x
    x = 22,752,649,177.02/152,195.40
  6. Step 6: Final answer
    x = 149,496.30

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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.