Home / 127,556.90-191,363.04-38,808.10

Finding the Fourth Proportional to 127,556.90, 191,363.04 and 38,808.10

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Solution

The fourth proportional to 127,556.90, 191,363.04 and 38,808.10 is: 58,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,556.90 : 191,363.04 = 38,808.10 : x
  2. Step 2: Convert to fraction form
    127,556.90/191,363.04 = 38,808.10/x
  3. Step 3: Cross multiply
    127,556.90x = 191,363.04 × 38,808.10
  4. Step 4: Simplify right side
    127,556.90x = 7,426,435,992.62
  5. Step 5: Solve for x
    x = 7,426,435,992.62/127,556.90
  6. Step 6: Final answer
    x = 58,220.57

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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.