Home / 211,277.06-291,569.82-115,783.77

Finding the Fourth Proportional to 211,277.06, 291,569.82 and 115,783.77

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Solution

The fourth proportional to 211,277.06, 291,569.82 and 115,783.77 is: 159,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,277.06 : 291,569.82 = 115,783.77 : x
  2. Step 2: Convert to fraction form
    211,277.06/291,569.82 = 115,783.77/x
  3. Step 3: Cross multiply
    211,277.06x = 291,569.82 × 115,783.77
  4. Step 4: Simplify right side
    211,277.06x = 33,759,052,398.90
  5. Step 5: Solve for x
    x = 33,759,052,398.90/211,277.06
  6. Step 6: Final answer
    x = 159,785.70

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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.