Home / 211,236.50-291,506.38-115,746.82

Finding the Fourth Proportional to 211,236.50, 291,506.38 and 115,746.82

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Solution

The fourth proportional to 211,236.50, 291,506.38 and 115,746.82 is: 159,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,236.50 : 291,506.38 = 115,746.82 : x
  2. Step 2: Convert to fraction form
    211,236.50/291,506.38 = 115,746.82/x
  3. Step 3: Cross multiply
    211,236.50x = 291,506.38 × 115,746.82
  4. Step 4: Simplify right side
    211,236.50x = 33,740,936,494.71
  5. Step 5: Solve for x
    x = 33,740,936,494.71/211,236.50
  6. Step 6: Final answer
    x = 159,730.62

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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.