Home / 128,996.51-193,506.98-50,116.82

Finding the Fourth Proportional to 128,996.51, 193,506.98 and 50,116.82

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Solution

The fourth proportional to 128,996.51, 193,506.98 and 50,116.82 is: 75,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,996.51 : 193,506.98 = 50,116.82 : x
  2. Step 2: Convert to fraction form
    128,996.51/193,506.98 = 50,116.82/x
  3. Step 3: Cross multiply
    128,996.51x = 193,506.98 × 50,116.82
  4. Step 4: Simplify right side
    128,996.51x = 9,697,953,267.28
  5. Step 5: Solve for x
    x = 9,697,953,267.28/128,996.51
  6. Step 6: Final answer
    x = 75,179.97

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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.