Home / 251,534.33-347,117.12-144,104.78

Finding the Fourth Proportional to 251,534.33, 347,117.12 and 144,104.78

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Solution

The fourth proportional to 251,534.33, 347,117.12 and 144,104.78 is: 198,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,534.33 : 347,117.12 = 144,104.78 : x
  2. Step 2: Convert to fraction form
    251,534.33/347,117.12 = 144,104.78/x
  3. Step 3: Cross multiply
    251,534.33x = 347,117.12 × 144,104.78
  4. Step 4: Simplify right side
    251,534.33x = 50,021,236,359.10
  5. Step 5: Solve for x
    x = 50,021,236,359.10/251,534.33
  6. Step 6: Final answer
    x = 198,864.45

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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.