Home / 138,756.04-191,483.34-75,093.83

Finding the Fourth Proportional to 138,756.04, 191,483.34 and 75,093.83

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Solution

The fourth proportional to 138,756.04, 191,483.34 and 75,093.83 is: 103,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,756.04 : 191,483.34 = 75,093.83 : x
  2. Step 2: Convert to fraction form
    138,756.04/191,483.34 = 75,093.83/x
  3. Step 3: Cross multiply
    138,756.04x = 191,483.34 × 75,093.83
  4. Step 4: Simplify right side
    138,756.04x = 14,379,218,360.33
  5. Step 5: Solve for x
    x = 14,379,218,360.33/138,756.04
  6. Step 6: Final answer
    x = 103,629.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.