Home / 156,617.64-216,132.48-84,997.65

Finding the Fourth Proportional to 156,617.64, 216,132.48 and 84,997.65

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Solution

The fourth proportional to 156,617.64, 216,132.48 and 84,997.65 is: 117,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,617.64 : 216,132.48 = 84,997.65 : x
  2. Step 2: Convert to fraction form
    156,617.64/216,132.48 = 84,997.65/x
  3. Step 3: Cross multiply
    156,617.64x = 216,132.48 × 84,997.65
  4. Step 4: Simplify right side
    156,617.64x = 18,370,752,888.67
  5. Step 5: Solve for x
    x = 18,370,752,888.67/156,617.64
  6. Step 6: Final answer
    x = 117,296.83

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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.