Home / 150,857.41-208,160.10-87,182.92

Finding the Fourth Proportional to 150,857.41, 208,160.10 and 87,182.92

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Solution

The fourth proportional to 150,857.41, 208,160.10 and 87,182.92 is: 120,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,857.41 : 208,160.10 = 87,182.92 : x
  2. Step 2: Convert to fraction form
    150,857.41/208,160.10 = 87,182.92/x
  3. Step 3: Cross multiply
    150,857.41x = 208,160.10 × 87,182.92
  4. Step 4: Simplify right side
    150,857.41x = 18,148,005,345.49
  5. Step 5: Solve for x
    x = 18,148,005,345.49/150,857.41
  6. Step 6: Final answer
    x = 120,299.06

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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.