Home / 211,379.54-291,703.69-115,884.19

Finding the Fourth Proportional to 211,379.54, 291,703.69 and 115,884.19

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Solution

The fourth proportional to 211,379.54, 291,703.69 and 115,884.19 is: 159,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,379.54 : 291,703.69 = 115,884.19 : x
  2. Step 2: Convert to fraction form
    211,379.54/291,703.69 = 115,884.19/x
  3. Step 3: Cross multiply
    211,379.54x = 291,703.69 × 115,884.19
  4. Step 4: Simplify right side
    211,379.54x = 33,803,845,835.66
  5. Step 5: Solve for x
    x = 33,803,845,835.66/211,379.54
  6. Step 6: Final answer
    x = 159,920.14

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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.