Home / 125,106.18-187,785.72-110,967.36

Finding the Fourth Proportional to 125,106.18, 187,785.72 and 110,967.36

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Solution

The fourth proportional to 125,106.18, 187,785.72 and 110,967.36 is: 166,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,106.18 : 187,785.72 = 110,967.36 : x
  2. Step 2: Convert to fraction form
    125,106.18/187,785.72 = 110,967.36/x
  3. Step 3: Cross multiply
    125,106.18x = 187,785.72 × 110,967.36
  4. Step 4: Simplify right side
    125,106.18x = 20,838,085,594.10
  5. Step 5: Solve for x
    x = 20,838,085,594.10/125,106.18
  6. Step 6: Final answer
    x = 166,563.20

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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.