Home / 134,665.20-201,997.80-59,785.20

Finding the Fourth Proportional to 134,665.20, 201,997.80 and 59,785.20

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Solution

The fourth proportional to 134,665.20, 201,997.80 and 59,785.20 is: 89,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,665.20 : 201,997.80 = 59,785.20 : x
  2. Step 2: Convert to fraction form
    134,665.20/201,997.80 = 59,785.20/x
  3. Step 3: Cross multiply
    134,665.20x = 201,997.80 × 59,785.20
  4. Step 4: Simplify right side
    134,665.20x = 12,076,478,872.56
  5. Step 5: Solve for x
    x = 12,076,478,872.56/134,665.20
  6. Step 6: Final answer
    x = 89,677.80

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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.