Home / 106,175.08-159,188.81-46,978.46

Finding the Fourth Proportional to 106,175.08, 159,188.81 and 46,978.46

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Solution

The fourth proportional to 106,175.08, 159,188.81 and 46,978.46 is: 70,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,175.08 : 159,188.81 = 46,978.46 : x
  2. Step 2: Convert to fraction form
    106,175.08/159,188.81 = 46,978.46/x
  3. Step 3: Cross multiply
    106,175.08x = 159,188.81 × 46,978.46
  4. Step 4: Simplify right side
    106,175.08x = 7,478,444,112.20
  5. Step 5: Solve for x
    x = 7,478,444,112.20/106,175.08
  6. Step 6: Final answer
    x = 70,435.02

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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.