Home / 211,056.86-291,258.54-115,569.60

Finding the Fourth Proportional to 211,056.86, 291,258.54 and 115,569.60

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Solution

The fourth proportional to 211,056.86, 291,258.54 and 115,569.60 is: 159,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,056.86 : 291,258.54 = 115,569.60 : x
  2. Step 2: Convert to fraction form
    211,056.86/291,258.54 = 115,569.60/x
  3. Step 3: Cross multiply
    211,056.86x = 291,258.54 × 115,569.60
  4. Step 4: Simplify right side
    211,056.86x = 33,660,633,403.61
  5. Step 5: Solve for x
    x = 33,660,633,403.61/211,056.86
  6. Step 6: Final answer
    x = 159,486.09

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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.