Home / 231,610.80-347,999.40-147,411.30

Finding the Fourth Proportional to 231,610.80, 347,999.40 and 147,411.30

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Solution

The fourth proportional to 231,610.80, 347,999.40 and 147,411.30 is: 221,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,610.80 : 347,999.40 = 147,411.30 : x
  2. Step 2: Convert to fraction form
    231,610.80/347,999.40 = 147,411.30/x
  3. Step 3: Cross multiply
    231,610.80x = 347,999.40 × 147,411.30
  4. Step 4: Simplify right side
    231,610.80x = 51,299,043,953.22
  5. Step 5: Solve for x
    x = 51,299,043,953.22/231,610.80
  6. Step 6: Final answer
    x = 221,488.13

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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.