Home / 127,443.94-191,153.53-38,698.21

Finding the Fourth Proportional to 127,443.94, 191,153.53 and 38,698.21

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Solution

The fourth proportional to 127,443.94, 191,153.53 and 38,698.21 is: 58,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,443.94 : 191,153.53 = 38,698.21 : x
  2. Step 2: Convert to fraction form
    127,443.94/191,153.53 = 38,698.21/x
  3. Step 3: Cross multiply
    127,443.94x = 191,153.53 × 38,698.21
  4. Step 4: Simplify right side
    127,443.94x = 7,397,299,446.18
  5. Step 5: Solve for x
    x = 7,397,299,446.18/127,443.94
  6. Step 6: Final answer
    x = 58,043.56

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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.