Home / 158,076.60-237,239.40-69,391.32

Finding the Fourth Proportional to 158,076.60, 237,239.40 and 69,391.32

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Solution

The fourth proportional to 158,076.60, 237,239.40 and 69,391.32 is: 104,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,076.60 : 237,239.40 = 69,391.32 : x
  2. Step 2: Convert to fraction form
    158,076.60/237,239.40 = 69,391.32/x
  3. Step 3: Cross multiply
    158,076.60x = 237,239.40 × 69,391.32
  4. Step 4: Simplify right side
    158,076.60x = 16,462,355,122.01
  5. Step 5: Solve for x
    x = 16,462,355,122.01/158,076.60
  6. Step 6: Final answer
    x = 104,141.63

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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.