Home / 156,099.33-215,417.07-84,479.33

Finding the Fourth Proportional to 156,099.33, 215,417.07 and 84,479.33

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Solution

The fourth proportional to 156,099.33, 215,417.07 and 84,479.33 is: 116,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,099.33 : 215,417.07 = 84,479.33 : x
  2. Step 2: Convert to fraction form
    156,099.33/215,417.07 = 84,479.33/x
  3. Step 3: Cross multiply
    156,099.33x = 215,417.07 × 84,479.33
  4. Step 4: Simplify right side
    156,099.33x = 18,198,290,282.71
  5. Step 5: Solve for x
    x = 18,198,290,282.71/156,099.33
  6. Step 6: Final answer
    x = 116,581.48

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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.