Home / 114,001.30-171,036.54-80,785.60

Finding the Fourth Proportional to 114,001.30, 171,036.54 and 80,785.60

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Solution

The fourth proportional to 114,001.30, 171,036.54 and 80,785.60 is: 121,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,001.30 : 171,036.54 = 80,785.60 : x
  2. Step 2: Convert to fraction form
    114,001.30/171,036.54 = 80,785.60/x
  3. Step 3: Cross multiply
    114,001.30x = 171,036.54 × 80,785.60
  4. Step 4: Simplify right side
    114,001.30x = 13,817,289,505.82
  5. Step 5: Solve for x
    x = 13,817,289,505.82/114,001.30
  6. Step 6: Final answer
    x = 121,202.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.