Home / 150,857.48-208,160.18-87,182.98

Finding the Fourth Proportional to 150,857.48, 208,160.18 and 87,182.98

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Solution

The fourth proportional to 150,857.48, 208,160.18 and 87,182.98 is: 120,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,857.48 : 208,160.18 = 87,182.98 : x
  2. Step 2: Convert to fraction form
    150,857.48/208,160.18 = 87,182.98/x
  3. Step 3: Cross multiply
    150,857.48x = 208,160.18 × 87,182.98
  4. Step 4: Simplify right side
    150,857.48x = 18,148,024,809.74
  5. Step 5: Solve for x
    x = 18,148,024,809.74/150,857.48
  6. Step 6: Final answer
    x = 120,299.14

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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.