Home / 394,403.28-591,178.56-157,485.60

Finding the Fourth Proportional to 394,403.28, 591,178.56 and 157,485.60

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Solution

The fourth proportional to 394,403.28, 591,178.56 and 157,485.60 is: 236,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,403.28 : 591,178.56 = 157,485.60 : x
  2. Step 2: Convert to fraction form
    394,403.28/591,178.56 = 157,485.60/x
  3. Step 3: Cross multiply
    394,403.28x = 591,178.56 × 157,485.60
  4. Step 4: Simplify right side
    394,403.28x = 93,102,110,228.74
  5. Step 5: Solve for x
    x = 93,102,110,228.74/394,403.28
  6. Step 6: Final answer
    x = 236,058.15

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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.