Home / 220,924.20-304,875.36-120,322.20

Finding the Fourth Proportional to 220,924.20, 304,875.36 and 120,322.20

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Solution

The fourth proportional to 220,924.20, 304,875.36 and 120,322.20 is: 166,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,924.20 : 304,875.36 = 120,322.20 : x
  2. Step 2: Convert to fraction form
    220,924.20/304,875.36 = 120,322.20/x
  3. Step 3: Cross multiply
    220,924.20x = 304,875.36 × 120,322.20
  4. Step 4: Simplify right side
    220,924.20x = 36,683,274,040.99
  5. Step 5: Solve for x
    x = 36,683,274,040.99/220,924.20
  6. Step 6: Final answer
    x = 166,044.62

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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.