Home / 215,820.10-323,767.14-66,056.68

Finding the Fourth Proportional to 215,820.10, 323,767.14 and 66,056.68

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Solution

The fourth proportional to 215,820.10, 323,767.14 and 66,056.68 is: 99,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,820.10 : 323,767.14 = 66,056.68 : x
  2. Step 2: Convert to fraction form
    215,820.10/323,767.14 = 66,056.68/x
  3. Step 3: Cross multiply
    215,820.10x = 323,767.14 × 66,056.68
  4. Step 4: Simplify right side
    215,820.10x = 21,386,982,361.50
  5. Step 5: Solve for x
    x = 21,386,982,361.50/215,820.10
  6. Step 6: Final answer
    x = 99,096.34

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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.