Home / 231,656.20-347,225.10-98,513.80

Finding the Fourth Proportional to 231,656.20, 347,225.10 and 98,513.80

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Solution

The fourth proportional to 231,656.20, 347,225.10 and 98,513.80 is: 147,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,656.20 : 347,225.10 = 98,513.80 : x
  2. Step 2: Convert to fraction form
    231,656.20/347,225.10 = 98,513.80/x
  3. Step 3: Cross multiply
    231,656.20x = 347,225.10 × 98,513.80
  4. Step 4: Simplify right side
    231,656.20x = 34,206,464,056.38
  5. Step 5: Solve for x
    x = 34,206,464,056.38/231,656.20
  6. Step 6: Final answer
    x = 147,660.47

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1.5x scale

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.