Home / 140,187.33-193,454.80-128,902.41

Finding the Fourth Proportional to 140,187.33, 193,454.80 and 128,902.41

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Solution

The fourth proportional to 140,187.33, 193,454.80 and 128,902.41 is: 177,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,187.33 : 193,454.80 = 128,902.41 : x
  2. Step 2: Convert to fraction form
    140,187.33/193,454.80 = 128,902.41/x
  3. Step 3: Cross multiply
    140,187.33x = 193,454.80 × 128,902.41
  4. Step 4: Simplify right side
    140,187.33x = 24,936,789,623.81
  5. Step 5: Solve for x
    x = 24,936,789,623.81/140,187.33
  6. Step 6: Final answer
    x = 177,881.91

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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.