Home / 156,047.10-233,674.65-85,847.10

Finding the Fourth Proportional to 156,047.10, 233,674.65 and 85,847.10

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Solution

The fourth proportional to 156,047.10, 233,674.65 and 85,847.10 is: 128,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,047.10 : 233,674.65 = 85,847.10 : x
  2. Step 2: Convert to fraction form
    156,047.10/233,674.65 = 85,847.10/x
  3. Step 3: Cross multiply
    156,047.10x = 233,674.65 × 85,847.10
  4. Step 4: Simplify right side
    156,047.10x = 20,060,291,046.02
  5. Step 5: Solve for x
    x = 20,060,291,046.02/156,047.10
  6. Step 6: Final answer
    x = 128,552.80

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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.