Home / 234,130.30-351,159.81-76,358.50

Finding the Fourth Proportional to 234,130.30, 351,159.81 and 76,358.50

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Solution

The fourth proportional to 234,130.30, 351,159.81 and 76,358.50 is: 114,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,130.30 : 351,159.81 = 76,358.50 : x
  2. Step 2: Convert to fraction form
    234,130.30/351,159.81 = 76,358.50/x
  3. Step 3: Cross multiply
    234,130.30x = 351,159.81 × 76,358.50
  4. Step 4: Simplify right side
    234,130.30x = 26,814,036,351.89
  5. Step 5: Solve for x
    x = 26,814,036,351.89/234,130.30
  6. Step 6: Final answer
    x = 114,526.13

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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.