Home / 127,447.78-191,194.76-52,526.22

Finding the Fourth Proportional to 127,447.78, 191,194.76 and 52,526.22

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Solution

The fourth proportional to 127,447.78, 191,194.76 and 52,526.22 is: 78,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,447.78 : 191,194.76 = 52,526.22 : x
  2. Step 2: Convert to fraction form
    127,447.78/191,194.76 = 52,526.22/x
  3. Step 3: Cross multiply
    127,447.78x = 191,194.76 × 52,526.22
  4. Step 4: Simplify right side
    127,447.78x = 10,042,738,026.61
  5. Step 5: Solve for x
    x = 10,042,738,026.61/127,447.78
  6. Step 6: Final answer
    x = 78,798.85

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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.