Home / 127,369.44-191,021.40-52,510.86

Finding the Fourth Proportional to 127,369.44, 191,021.40 and 52,510.86

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Solution

The fourth proportional to 127,369.44, 191,021.40 and 52,510.86 is: 78,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,369.44 : 191,021.40 = 52,510.86 : x
  2. Step 2: Convert to fraction form
    127,369.44/191,021.40 = 52,510.86/x
  3. Step 3: Cross multiply
    127,369.44x = 191,021.40 × 52,510.86
  4. Step 4: Simplify right side
    127,369.44x = 10,030,697,992.40
  5. Step 5: Solve for x
    x = 10,030,697,992.40/127,369.44
  6. Step 6: Final answer
    x = 78,752.78

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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.