Home / 127,981.44-191,890.14-53,153.24

Finding the Fourth Proportional to 127,981.44, 191,890.14 and 53,153.24

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Solution

The fourth proportional to 127,981.44, 191,890.14 and 53,153.24 is: 79,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,981.44 : 191,890.14 = 53,153.24 : x
  2. Step 2: Convert to fraction form
    127,981.44/191,890.14 = 53,153.24/x
  3. Step 3: Cross multiply
    127,981.44x = 191,890.14 × 53,153.24
  4. Step 4: Simplify right side
    127,981.44x = 10,199,581,705.60
  5. Step 5: Solve for x
    x = 10,199,581,705.60/127,981.44
  6. Step 6: Final answer
    x = 79,695.79

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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.