Home / 127,771.46-191,657.22-39,020.18

Finding the Fourth Proportional to 127,771.46, 191,657.22 and 39,020.18

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Solution

The fourth proportional to 127,771.46, 191,657.22 and 39,020.18 is: 58,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,771.46 : 191,657.22 = 39,020.18 : x
  2. Step 2: Convert to fraction form
    127,771.46/191,657.22 = 39,020.18/x
  3. Step 3: Cross multiply
    127,771.46x = 191,657.22 × 39,020.18
  4. Step 4: Simplify right side
    127,771.46x = 7,478,499,222.70
  5. Step 5: Solve for x
    x = 7,478,499,222.70/127,771.46
  6. Step 6: Final answer
    x = 58,530.28

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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.