Home / 127,972.35-191,681.49-83,464.08

Finding the Fourth Proportional to 127,972.35, 191,681.49 and 83,464.08

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Solution

The fourth proportional to 127,972.35, 191,681.49 and 83,464.08 is: 125,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,972.35 : 191,681.49 = 83,464.08 : x
  2. Step 2: Convert to fraction form
    127,972.35/191,681.49 = 83,464.08/x
  3. Step 3: Cross multiply
    127,972.35x = 191,681.49 × 83,464.08
  4. Step 4: Simplify right side
    127,972.35x = 15,998,519,215.88
  5. Step 5: Solve for x
    x = 15,998,519,215.88/127,972.35
  6. Step 6: Final answer
    x = 125,015.44

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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.