Home / 150,027.60-207,038.64-82,043.52

Finding the Fourth Proportional to 150,027.60, 207,038.64 and 82,043.52

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Solution

The fourth proportional to 150,027.60, 207,038.64 and 82,043.52 is: 113,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,027.60 : 207,038.64 = 82,043.52 : x
  2. Step 2: Convert to fraction form
    150,027.60/207,038.64 = 82,043.52/x
  3. Step 3: Cross multiply
    150,027.60x = 207,038.64 × 82,043.52
  4. Step 4: Simplify right side
    150,027.60x = 16,986,178,801.61
  5. Step 5: Solve for x
    x = 16,986,178,801.61/150,027.60
  6. Step 6: Final answer
    x = 113,220.36

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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.