Home / 127,560.90-191,344.50-61,008.06

Finding the Fourth Proportional to 127,560.90, 191,344.50 and 61,008.06

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Solution

The fourth proportional to 127,560.90, 191,344.50 and 61,008.06 is: 91,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,560.90 : 191,344.50 = 61,008.06 : x
  2. Step 2: Convert to fraction form
    127,560.90/191,344.50 = 61,008.06/x
  3. Step 3: Cross multiply
    127,560.90x = 191,344.50 × 61,008.06
  4. Step 4: Simplify right side
    127,560.90x = 11,673,556,736.67
  5. Step 5: Solve for x
    x = 11,673,556,736.67/127,560.90
  6. Step 6: Final answer
    x = 91,513.60

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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.