Home / 127,431.24-191,151.72-65,028.84

Finding the Fourth Proportional to 127,431.24, 191,151.72 and 65,028.84

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Solution

The fourth proportional to 127,431.24, 191,151.72 and 65,028.84 is: 97,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431.24 : 191,151.72 = 65,028.84 : x
  2. Step 2: Convert to fraction form
    127,431.24/191,151.72 = 65,028.84/x
  3. Step 3: Cross multiply
    127,431.24x = 191,151.72 × 65,028.84
  4. Step 4: Simplify right side
    127,431.24x = 12,430,374,615.60
  5. Step 5: Solve for x
    x = 12,430,374,615.60/127,431.24
  6. Step 6: Final answer
    x = 97,545.74

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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.