Home / 138,484.43-191,266.15-93,083.59

Finding the Fourth Proportional to 138,484.43, 191,266.15 and 93,083.59

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Solution

The fourth proportional to 138,484.43, 191,266.15 and 93,083.59 is: 128,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,484.43 : 191,266.15 = 93,083.59 : x
  2. Step 2: Convert to fraction form
    138,484.43/191,266.15 = 93,083.59/x
  3. Step 3: Cross multiply
    138,484.43x = 191,266.15 × 93,083.59
  4. Step 4: Simplify right side
    138,484.43x = 17,803,738,465.73
  5. Step 5: Solve for x
    x = 17,803,738,465.73/138,484.43
  6. Step 6: Final answer
    x = 128,561.31

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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.