Home / 228,001.16-342,038.49-70,229.54

Finding the Fourth Proportional to 228,001.16, 342,038.49 and 70,229.54

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Solution

The fourth proportional to 228,001.16, 342,038.49 and 70,229.54 is: 105,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,001.16 : 342,038.49 = 70,229.54 : x
  2. Step 2: Convert to fraction form
    228,001.16/342,038.49 = 70,229.54/x
  3. Step 3: Cross multiply
    228,001.16x = 342,038.49 × 70,229.54
  4. Step 4: Simplify right side
    228,001.16x = 24,021,205,814.99
  5. Step 5: Solve for x
    x = 24,021,205,814.99/228,001.16
  6. Step 6: Final answer
    x = 105,355.63

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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.