Home / 330,462.17-456,031.89-187,219.14

Finding the Fourth Proportional to 330,462.17, 456,031.89 and 187,219.14

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Solution

The fourth proportional to 330,462.17, 456,031.89 and 187,219.14 is: 258,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,462.17 : 456,031.89 = 187,219.14 : x
  2. Step 2: Convert to fraction form
    330,462.17/456,031.89 = 187,219.14/x
  3. Step 3: Cross multiply
    330,462.17x = 456,031.89 × 187,219.14
  4. Step 4: Simplify right side
    330,462.17x = 85,377,898,258.37
  5. Step 5: Solve for x
    x = 85,377,898,258.37/330,462.17
  6. Step 6: Final answer
    x = 258,359.07

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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.