Home / 150,008.40-207,011.80-82,025.68

Finding the Fourth Proportional to 150,008.40, 207,011.80 and 82,025.68

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Solution

The fourth proportional to 150,008.40, 207,011.80 and 82,025.68 is: 113,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,008.40 : 207,011.80 = 82,025.68 : x
  2. Step 2: Convert to fraction form
    150,008.40/207,011.80 = 82,025.68/x
  3. Step 3: Cross multiply
    150,008.40x = 207,011.80 × 82,025.68
  4. Step 4: Simplify right side
    150,008.40x = 16,980,283,663.02
  5. Step 5: Solve for x
    x = 16,980,283,663.02/150,008.40
  6. Step 6: Final answer
    x = 113,195.55

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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.