Home / 211,259.58-291,533.19-115,761.66

Finding the Fourth Proportional to 211,259.58, 291,533.19 and 115,761.66

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Solution

The fourth proportional to 211,259.58, 291,533.19 and 115,761.66 is: 159,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,259.58 : 291,533.19 = 115,761.66 : x
  2. Step 2: Convert to fraction form
    211,259.58/291,533.19 = 115,761.66/x
  3. Step 3: Cross multiply
    211,259.58x = 291,533.19 × 115,761.66
  4. Step 4: Simplify right side
    211,259.58x = 33,748,366,019.50
  5. Step 5: Solve for x
    x = 33,748,366,019.50/211,259.58
  6. Step 6: Final answer
    x = 159,748.33

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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.