Home / 236,470.20-354,705.30-143,158.20

Finding the Fourth Proportional to 236,470.20, 354,705.30 and 143,158.20

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Solution

The fourth proportional to 236,470.20, 354,705.30 and 143,158.20 is: 214,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,470.20 : 354,705.30 = 143,158.20 : x
  2. Step 2: Convert to fraction form
    236,470.20/354,705.30 = 143,158.20/x
  3. Step 3: Cross multiply
    236,470.20x = 354,705.30 × 143,158.20
  4. Step 4: Simplify right side
    236,470.20x = 50,778,972,278.46
  5. Step 5: Solve for x
    x = 50,778,972,278.46/236,470.20
  6. Step 6: Final answer
    x = 214,737.30

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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.