Home / 127,971.24-191,776.44-60,431.20

Finding the Fourth Proportional to 127,971.24, 191,776.44 and 60,431.20

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Solution

The fourth proportional to 127,971.24, 191,776.44 and 60,431.20 is: 90,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,971.24 : 191,776.44 = 60,431.20 : x
  2. Step 2: Convert to fraction form
    127,971.24/191,776.44 = 60,431.20/x
  3. Step 3: Cross multiply
    127,971.24x = 191,776.44 × 60,431.20
  4. Step 4: Simplify right side
    127,971.24x = 11,589,280,400.93
  5. Step 5: Solve for x
    x = 11,589,280,400.93/127,971.24
  6. Step 6: Final answer
    x = 90,561.60

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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.