Home / 127,625.27-191,416.88-47,642.22

Finding the Fourth Proportional to 127,625.27, 191,416.88 and 47,642.22

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Solution

The fourth proportional to 127,625.27, 191,416.88 and 47,642.22 is: 71,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,625.27 : 191,416.88 = 47,642.22 : x
  2. Step 2: Convert to fraction form
    127,625.27/191,416.88 = 47,642.22/x
  3. Step 3: Cross multiply
    127,625.27x = 191,416.88 × 47,642.22
  4. Step 4: Simplify right side
    127,625.27x = 9,119,525,227.78
  5. Step 5: Solve for x
    x = 9,119,525,227.78/127,625.27
  6. Step 6: Final answer
    x = 71,455.49

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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.