Home / 192,881.36-289,509.04-93,111.76

Finding the Fourth Proportional to 192,881.36, 289,509.04 and 93,111.76

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Solution

The fourth proportional to 192,881.36, 289,509.04 and 93,111.76 is: 139,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,881.36 : 289,509.04 = 93,111.76 : x
  2. Step 2: Convert to fraction form
    192,881.36/289,509.04 = 93,111.76/x
  3. Step 3: Cross multiply
    192,881.36x = 289,509.04 × 93,111.76
  4. Step 4: Simplify right side
    192,881.36x = 26,956,696,250.31
  5. Step 5: Solve for x
    x = 26,956,696,250.31/192,881.36
  6. Step 6: Final answer
    x = 139,757.91

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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.