Home / 112,678.85-168,775.27-106,054.28

Finding the Fourth Proportional to 112,678.85, 168,775.27 and 106,054.28

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Solution

The fourth proportional to 112,678.85, 168,775.27 and 106,054.28 is: 158,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,678.85 : 168,775.27 = 106,054.28 : x
  2. Step 2: Convert to fraction form
    112,678.85/168,775.27 = 106,054.28/x
  3. Step 3: Cross multiply
    112,678.85x = 168,775.27 × 106,054.28
  4. Step 4: Simplify right side
    112,678.85x = 17,899,339,741.66
  5. Step 5: Solve for x
    x = 17,899,339,741.66/112,678.85
  6. Step 6: Final answer
    x = 158,852.70

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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.