Home / 234,429.50-351,259.81-99,385.67

Finding the Fourth Proportional to 234,429.50, 351,259.81 and 99,385.67

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Solution

The fourth proportional to 234,429.50, 351,259.81 and 99,385.67 is: 148,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,429.50 : 351,259.81 = 99,385.67 : x
  2. Step 2: Convert to fraction form
    234,429.50/351,259.81 = 99,385.67/x
  3. Step 3: Cross multiply
    234,429.50x = 351,259.81 × 99,385.67
  4. Step 4: Simplify right side
    234,429.50x = 34,910,190,873.38
  5. Step 5: Solve for x
    x = 34,910,190,873.38/234,429.50
  6. Step 6: Final answer
    x = 148,915.52

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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.