Home / 156,119.34-215,449.91-95,678.31

Finding the Fourth Proportional to 156,119.34, 215,449.91 and 95,678.31

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Solution

The fourth proportional to 156,119.34, 215,449.91 and 95,678.31 is: 132,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,119.34 : 215,449.91 = 95,678.31 : x
  2. Step 2: Convert to fraction form
    156,119.34/215,449.91 = 95,678.31/x
  3. Step 3: Cross multiply
    156,119.34x = 215,449.91 × 95,678.31
  4. Step 4: Simplify right side
    156,119.34x = 20,613,881,722.81
  5. Step 5: Solve for x
    x = 20,613,881,722.81/156,119.34
  6. Step 6: Final answer
    x = 132,039.26

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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.