Home / 127,741.22-191,442.02-67,757.34

Finding the Fourth Proportional to 127,741.22, 191,442.02 and 67,757.34

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Solution

The fourth proportional to 127,741.22, 191,442.02 and 67,757.34 is: 101,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.22 : 191,442.02 = 67,757.34 : x
  2. Step 2: Convert to fraction form
    127,741.22/191,442.02 = 67,757.34/x
  3. Step 3: Cross multiply
    127,741.22x = 191,442.02 × 67,757.34
  4. Step 4: Simplify right side
    127,741.22x = 12,971,602,039.43
  5. Step 5: Solve for x
    x = 12,971,602,039.43/127,741.22
  6. Step 6: Final answer
    x = 101,545.94

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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.