Home / 156,096.45-215,412.30-84,476.49

Finding the Fourth Proportional to 156,096.45, 215,412.30 and 84,476.49

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Solution

The fourth proportional to 156,096.45, 215,412.30 and 84,476.49 is: 116,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,096.45 : 215,412.30 = 84,476.49 : x
  2. Step 2: Convert to fraction form
    156,096.45/215,412.30 = 84,476.49/x
  3. Step 3: Cross multiply
    156,096.45x = 215,412.30 × 84,476.49
  4. Step 4: Simplify right side
    156,096.45x = 18,197,275,006.83
  5. Step 5: Solve for x
    x = 18,197,275,006.83/156,096.45
  6. Step 6: Final answer
    x = 116,577.12

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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.