Home / 128,943.31-193,417.35-44,706.22

Finding the Fourth Proportional to 128,943.31, 193,417.35 and 44,706.22

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Solution

The fourth proportional to 128,943.31, 193,417.35 and 44,706.22 is: 67,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,943.31 : 193,417.35 = 44,706.22 : x
  2. Step 2: Convert to fraction form
    128,943.31/193,417.35 = 44,706.22/x
  3. Step 3: Cross multiply
    128,943.31x = 193,417.35 × 44,706.22
  4. Step 4: Simplify right side
    128,943.31x = 8,646,958,201.20
  5. Step 5: Solve for x
    x = 8,646,958,201.20/128,943.31
  6. Step 6: Final answer
    x = 67,060.15

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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.