Home / 159,319.96-219,738.74-98,926.36

Finding the Fourth Proportional to 159,319.96, 219,738.74 and 98,926.36

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Solution

The fourth proportional to 159,319.96, 219,738.74 and 98,926.36 is: 136,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,319.96 : 219,738.74 = 98,926.36 : x
  2. Step 2: Convert to fraction form
    159,319.96/219,738.74 = 98,926.36/x
  3. Step 3: Cross multiply
    159,319.96x = 219,738.74 × 98,926.36
  4. Step 4: Simplify right side
    159,319.96x = 21,737,953,699.19
  5. Step 5: Solve for x
    x = 21,737,953,699.19/159,319.96
  6. Step 6: Final answer
    x = 136,442.12

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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.