Home / 156,095.49-215,412.04-84,475.56

Finding the Fourth Proportional to 156,095.49, 215,412.04 and 84,475.56

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Solution

The fourth proportional to 156,095.49, 215,412.04 and 84,475.56 is: 116,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,095.49 : 215,412.04 = 84,475.56 : x
  2. Step 2: Convert to fraction form
    156,095.49/215,412.04 = 84,475.56/x
  3. Step 3: Cross multiply
    156,095.49x = 215,412.04 × 84,475.56
  4. Step 4: Simplify right side
    156,095.49x = 18,197,053,306.35
  5. Step 5: Solve for x
    x = 18,197,053,306.35/156,095.49
  6. Step 6: Final answer
    x = 116,576.42

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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.