Home / 202,740.72-304,023.08-77,994.16

Finding the Fourth Proportional to 202,740.72, 304,023.08 and 77,994.16

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Solution

The fourth proportional to 202,740.72, 304,023.08 and 77,994.16 is: 116,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,740.72 : 304,023.08 = 77,994.16 : x
  2. Step 2: Convert to fraction form
    202,740.72/304,023.08 = 77,994.16/x
  3. Step 3: Cross multiply
    202,740.72x = 304,023.08 × 77,994.16
  4. Step 4: Simplify right side
    202,740.72x = 23,712,024,745.21
  5. Step 5: Solve for x
    x = 23,712,024,745.21/202,740.72
  6. Step 6: Final answer
    x = 116,957.39

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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.