Home / 127,923.40-191,885.55-39,176.51

Finding the Fourth Proportional to 127,923.40, 191,885.55 and 39,176.51

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Solution

The fourth proportional to 127,923.40, 191,885.55 and 39,176.51 is: 58,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,923.40 : 191,885.55 = 39,176.51 : x
  2. Step 2: Convert to fraction form
    127,923.40/191,885.55 = 39,176.51/x
  3. Step 3: Cross multiply
    127,923.40x = 191,885.55 × 39,176.51
  4. Step 4: Simplify right side
    127,923.40x = 7,517,405,972.55
  5. Step 5: Solve for x
    x = 7,517,405,972.55/127,923.40
  6. Step 6: Final answer
    x = 58,764.90

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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.