Home / 236,334.60-354,761.10-147,688.20

Finding the Fourth Proportional to 236,334.60, 354,761.10 and 147,688.20

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Solution

The fourth proportional to 236,334.60, 354,761.10 and 147,688.20 is: 221,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,334.60 : 354,761.10 = 147,688.20 : x
  2. Step 2: Convert to fraction form
    236,334.60/354,761.10 = 147,688.20/x
  3. Step 3: Cross multiply
    236,334.60x = 354,761.10 × 147,688.20
  4. Step 4: Simplify right side
    236,334.60x = 52,394,028,289.02
  5. Step 5: Solve for x
    x = 52,394,028,289.02/236,334.60
  6. Step 6: Final answer
    x = 221,694.28

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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.