Home / 127,989.54-191,971.35-34,504.74

Finding the Fourth Proportional to 127,989.54, 191,971.35 and 34,504.74

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Solution

The fourth proportional to 127,989.54, 191,971.35 and 34,504.74 is: 51,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,989.54 : 191,971.35 = 34,504.74 : x
  2. Step 2: Convert to fraction form
    127,989.54/191,971.35 = 34,504.74/x
  3. Step 3: Cross multiply
    127,989.54x = 191,971.35 × 34,504.74
  4. Step 4: Simplify right side
    127,989.54x = 6,623,921,519.20
  5. Step 5: Solve for x
    x = 6,623,921,519.20/127,989.54
  6. Step 6: Final answer
    x = 51,753.62

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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.