Home / 121,206.20-181,809.30-47,334.20

Finding the Fourth Proportional to 121,206.20, 181,809.30 and 47,334.20

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Solution

The fourth proportional to 121,206.20, 181,809.30 and 47,334.20 is: 71,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,206.20 : 181,809.30 = 47,334.20 : x
  2. Step 2: Convert to fraction form
    121,206.20/181,809.30 = 47,334.20/x
  3. Step 3: Cross multiply
    121,206.20x = 181,809.30 × 47,334.20
  4. Step 4: Simplify right side
    121,206.20x = 8,605,797,768.06
  5. Step 5: Solve for x
    x = 8,605,797,768.06/121,206.20
  6. Step 6: Final answer
    x = 71,001.30

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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.