Home / 211,550.06-291,933.82-118,414.48

Finding the Fourth Proportional to 211,550.06, 291,933.82 and 118,414.48

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Solution

The fourth proportional to 211,550.06, 291,933.82 and 118,414.48 is: 163,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,550.06 : 291,933.82 = 118,414.48 : x
  2. Step 2: Convert to fraction form
    211,550.06/291,933.82 = 118,414.48/x
  3. Step 3: Cross multiply
    211,550.06x = 291,933.82 × 118,414.48
  4. Step 4: Simplify right side
    211,550.06x = 34,569,191,489.71
  5. Step 5: Solve for x
    x = 34,569,191,489.71/211,550.06
  6. Step 6: Final answer
    x = 163,409.04

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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.