Home / 190,209.12-262,573.36-125,717.20

Finding the Fourth Proportional to 190,209.12, 262,573.36 and 125,717.20

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Solution

The fourth proportional to 190,209.12, 262,573.36 and 125,717.20 is: 173,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.12 : 262,573.36 = 125,717.20 : x
  2. Step 2: Convert to fraction form
    190,209.12/262,573.36 = 125,717.20/x
  3. Step 3: Cross multiply
    190,209.12x = 262,573.36 × 125,717.20
  4. Step 4: Simplify right side
    190,209.12x = 33,009,987,613.79
  5. Step 5: Solve for x
    x = 33,009,987,613.79/190,209.12
  6. Step 6: Final answer
    x = 173,545.77

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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.