Home / 127,973.23-191,959.80-68,727.40

Finding the Fourth Proportional to 127,973.23, 191,959.80 and 68,727.40

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Solution

The fourth proportional to 127,973.23, 191,959.80 and 68,727.40 is: 103,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,973.23 : 191,959.80 = 68,727.40 : x
  2. Step 2: Convert to fraction form
    127,973.23/191,959.80 = 68,727.40/x
  3. Step 3: Cross multiply
    127,973.23x = 191,959.80 × 68,727.40
  4. Step 4: Simplify right side
    127,973.23x = 13,192,897,958.52
  5. Step 5: Solve for x
    x = 13,192,897,958.52/127,973.23
  6. Step 6: Final answer
    x = 103,091.08

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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.