Home / 211,998.60-292,557.20-121,354.13

Finding the Fourth Proportional to 211,998.60, 292,557.20 and 121,354.13

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Solution

The fourth proportional to 211,998.60, 292,557.20 and 121,354.13 is: 167,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,998.60 : 292,557.20 = 121,354.13 : x
  2. Step 2: Convert to fraction form
    211,998.60/292,557.20 = 121,354.13/x
  3. Step 3: Cross multiply
    211,998.60x = 292,557.20 × 121,354.13
  4. Step 4: Simplify right side
    211,998.60x = 35,503,022,411.68
  5. Step 5: Solve for x
    x = 35,503,022,411.68/211,998.60
  6. Step 6: Final answer
    x = 167,468.19

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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.