Home / 129,263.51-193,893.79-50,433.10

Finding the Fourth Proportional to 129,263.51, 193,893.79 and 50,433.10

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Solution

The fourth proportional to 129,263.51, 193,893.79 and 50,433.10 is: 75,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,263.51 : 193,893.79 = 50,433.10 : x
  2. Step 2: Convert to fraction form
    129,263.51/193,893.79 = 50,433.10/x
  3. Step 3: Cross multiply
    129,263.51x = 193,893.79 × 50,433.10
  4. Step 4: Simplify right side
    129,263.51x = 9,778,664,900.45
  5. Step 5: Solve for x
    x = 9,778,664,900.45/129,263.51
  6. Step 6: Final answer
    x = 75,649.07

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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.