Home / 158,666.30-237,999.45-69,874.10

Finding the Fourth Proportional to 158,666.30, 237,999.45 and 69,874.10

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Solution

The fourth proportional to 158,666.30, 237,999.45 and 69,874.10 is: 104,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,666.30 : 237,999.45 = 69,874.10 : x
  2. Step 2: Convert to fraction form
    158,666.30/237,999.45 = 69,874.10/x
  3. Step 3: Cross multiply
    158,666.30x = 237,999.45 × 69,874.10
  4. Step 4: Simplify right side
    158,666.30x = 16,629,997,369.25
  5. Step 5: Solve for x
    x = 16,629,997,369.25/158,666.30
  6. Step 6: Final answer
    x = 104,811.15

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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.