Home / 213,442.62-320,088.41-93,557.76

Finding the Fourth Proportional to 213,442.62, 320,088.41 and 93,557.76

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Solution

The fourth proportional to 213,442.62, 320,088.41 and 93,557.76 is: 140,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,442.62 : 320,088.41 = 93,557.76 : x
  2. Step 2: Convert to fraction form
    213,442.62/320,088.41 = 93,557.76/x
  3. Step 3: Cross multiply
    213,442.62x = 320,088.41 × 93,557.76
  4. Step 4: Simplify right side
    213,442.62x = 29,946,754,641.56
  5. Step 5: Solve for x
    x = 29,946,754,641.56/213,442.62
  6. Step 6: Final answer
    x = 140,303.54

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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.