Home / 127,342.16-191,021.36-43,110.80

Finding the Fourth Proportional to 127,342.16, 191,021.36 and 43,110.80

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Solution

The fourth proportional to 127,342.16, 191,021.36 and 43,110.80 is: 64,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,342.16 : 191,021.36 = 43,110.80 : x
  2. Step 2: Convert to fraction form
    127,342.16/191,021.36 = 43,110.80/x
  3. Step 3: Cross multiply
    127,342.16x = 191,021.36 × 43,110.80
  4. Step 4: Simplify right side
    127,342.16x = 8,235,083,646.69
  5. Step 5: Solve for x
    x = 8,235,083,646.69/127,342.16
  6. Step 6: Final answer
    x = 64,668.95

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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.