Home / 127,396.29-191,117.42-52,475.54

Finding the Fourth Proportional to 127,396.29, 191,117.42 and 52,475.54

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Solution

The fourth proportional to 127,396.29, 191,117.42 and 52,475.54 is: 78,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.29 : 191,117.42 = 52,475.54 : x
  2. Step 2: Convert to fraction form
    127,396.29/191,117.42 = 52,475.54/x
  3. Step 3: Cross multiply
    127,396.29x = 191,117.42 × 52,475.54
  4. Step 4: Simplify right side
    127,396.29x = 10,028,988,599.94
  5. Step 5: Solve for x
    x = 10,028,988,599.94/127,396.29
  6. Step 6: Final answer
    x = 78,722.77

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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.