Home / 234,389.16-351,608.45-76,617.36

Finding the Fourth Proportional to 234,389.16, 351,608.45 and 76,617.36

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Solution

The fourth proportional to 234,389.16, 351,608.45 and 76,617.36 is: 114,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,389.16 : 351,608.45 = 76,617.36 : x
  2. Step 2: Convert to fraction form
    234,389.16/351,608.45 = 76,617.36/x
  3. Step 3: Cross multiply
    234,389.16x = 351,608.45 × 76,617.36
  4. Step 4: Simplify right side
    234,389.16x = 26,939,310,809.61
  5. Step 5: Solve for x
    x = 26,939,310,809.61/234,389.16
  6. Step 6: Final answer
    x = 114,934.12

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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.