Home / 188,916.12-260,677.71-104,038.74

Finding the Fourth Proportional to 188,916.12, 260,677.71 and 104,038.74

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Solution

The fourth proportional to 188,916.12, 260,677.71 and 104,038.74 is: 143,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,916.12 : 260,677.71 = 104,038.74 : x
  2. Step 2: Convert to fraction form
    188,916.12/260,677.71 = 104,038.74/x
  3. Step 3: Cross multiply
    188,916.12x = 260,677.71 × 104,038.74
  4. Step 4: Simplify right side
    188,916.12x = 27,120,580,494.49
  5. Step 5: Solve for x
    x = 27,120,580,494.49/188,916.12
  6. Step 6: Final answer
    x = 143,558.85

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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.