Home / 147,760.20-221,328.30-97,864.20

Finding the Fourth Proportional to 147,760.20, 221,328.30 and 97,864.20

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Solution

The fourth proportional to 147,760.20, 221,328.30 and 97,864.20 is: 146,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,760.20 : 221,328.30 = 97,864.20 : x
  2. Step 2: Convert to fraction form
    147,760.20/221,328.30 = 97,864.20/x
  3. Step 3: Cross multiply
    147,760.20x = 221,328.30 × 97,864.20
  4. Step 4: Simplify right side
    147,760.20x = 21,660,117,016.86
  5. Step 5: Solve for x
    x = 21,660,117,016.86/147,760.20
  6. Step 6: Final answer
    x = 146,589.66

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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.