Home / 231,518.28-347,040.61-156,646.33

Finding the Fourth Proportional to 231,518.28, 347,040.61 and 156,646.33

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Solution

The fourth proportional to 231,518.28, 347,040.61 and 156,646.33 is: 234,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,518.28 : 347,040.61 = 156,646.33 : x
  2. Step 2: Convert to fraction form
    231,518.28/347,040.61 = 156,646.33/x
  3. Step 3: Cross multiply
    231,518.28x = 347,040.61 × 156,646.33
  4. Step 4: Simplify right side
    231,518.28x = 54,362,637,917.46
  5. Step 5: Solve for x
    x = 54,362,637,917.46/231,518.28
  6. Step 6: Final answer
    x = 234,809.27

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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.