Home / 234,442.08-351,706.32-76,678.92

Finding the Fourth Proportional to 234,442.08, 351,706.32 and 76,678.92

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Solution

The fourth proportional to 234,442.08, 351,706.32 and 76,678.92 is: 115,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,442.08 : 351,706.32 = 76,678.92 : x
  2. Step 2: Convert to fraction form
    234,442.08/351,706.32 = 76,678.92/x
  3. Step 3: Cross multiply
    234,442.08x = 351,706.32 × 76,678.92
  4. Step 4: Simplify right side
    234,442.08x = 26,968,460,774.77
  5. Step 5: Solve for x
    x = 26,968,460,774.77/234,442.08
  6. Step 6: Final answer
    x = 115,032.51

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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.