Home / 156,207.69-215,566.29-84,587.49

Finding the Fourth Proportional to 156,207.69, 215,566.29 and 84,587.49

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Solution

The fourth proportional to 156,207.69, 215,566.29 and 84,587.49 is: 116,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,207.69 : 215,566.29 = 84,587.49 : x
  2. Step 2: Convert to fraction form
    156,207.69/215,566.29 = 84,587.49/x
  3. Step 3: Cross multiply
    156,207.69x = 215,566.29 × 84,587.49
  4. Step 4: Simplify right side
    156,207.69x = 18,234,211,399.71
  5. Step 5: Solve for x
    x = 18,234,211,399.71/156,207.69
  6. Step 6: Final answer
    x = 116,730.56

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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.