Home / 125,614.68-173,210.04-106,485.72

Finding the Fourth Proportional to 125,614.68, 173,210.04 and 106,485.72

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Solution

The fourth proportional to 125,614.68, 173,210.04 and 106,485.72 is: 146,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.68 : 173,210.04 = 106,485.72 : x
  2. Step 2: Convert to fraction form
    125,614.68/173,210.04 = 106,485.72/x
  3. Step 3: Cross multiply
    125,614.68x = 173,210.04 × 106,485.72
  4. Step 4: Simplify right side
    125,614.68x = 18,444,395,820.63
  5. Step 5: Solve for x
    x = 18,444,395,820.63/125,614.68
  6. Step 6: Final answer
    x = 146,833.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.