Home / 211,050.60-291,240.90-115,555.56

Finding the Fourth Proportional to 211,050.60, 291,240.90 and 115,555.56

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Solution

The fourth proportional to 211,050.60, 291,240.90 and 115,555.56 is: 159,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,050.60 : 291,240.90 = 115,555.56 : x
  2. Step 2: Convert to fraction form
    211,050.60/291,240.90 = 115,555.56/x
  3. Step 3: Cross multiply
    211,050.60x = 291,240.90 × 115,555.56
  4. Step 4: Simplify right side
    211,050.60x = 33,654,505,294.40
  5. Step 5: Solve for x
    x = 33,654,505,294.40/211,050.60
  6. Step 6: Final answer
    x = 159,461.78

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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.