Home / 218,225.22-301,105.65-127,563.66

Finding the Fourth Proportional to 218,225.22, 301,105.65 and 127,563.66

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Solution

The fourth proportional to 218,225.22, 301,105.65 and 127,563.66 is: 176,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,225.22 : 301,105.65 = 127,563.66 : x
  2. Step 2: Convert to fraction form
    218,225.22/301,105.65 = 127,563.66/x
  3. Step 3: Cross multiply
    218,225.22x = 301,105.65 × 127,563.66
  4. Step 4: Simplify right side
    218,225.22x = 38,410,138,760.68
  5. Step 5: Solve for x
    x = 38,410,138,760.68/218,225.22
  6. Step 6: Final answer
    x = 176,011.46

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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.