Home / 127,904.90-191,857.20-34,410.64

Finding the Fourth Proportional to 127,904.90, 191,857.20 and 34,410.64

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Solution

The fourth proportional to 127,904.90, 191,857.20 and 34,410.64 is: 51,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904.90 : 191,857.20 = 34,410.64 : x
  2. Step 2: Convert to fraction form
    127,904.90/191,857.20 = 34,410.64/x
  3. Step 3: Cross multiply
    127,904.90x = 191,857.20 × 34,410.64
  4. Step 4: Simplify right side
    127,904.90x = 6,601,929,040.61
  5. Step 5: Solve for x
    x = 6,601,929,040.61/127,904.90
  6. Step 6: Final answer
    x = 51,615.92

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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.