Home / 134,859.72-186,176.40-98,520.39

Finding the Fourth Proportional to 134,859.72, 186,176.40 and 98,520.39

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Solution

The fourth proportional to 134,859.72, 186,176.40 and 98,520.39 is: 136,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,859.72 : 186,176.40 = 98,520.39 : x
  2. Step 2: Convert to fraction form
    134,859.72/186,176.40 = 98,520.39/x
  3. Step 3: Cross multiply
    134,859.72x = 186,176.40 × 98,520.39
  4. Step 4: Simplify right side
    134,859.72x = 18,342,171,536.80
  5. Step 5: Solve for x
    x = 18,342,171,536.80/134,859.72
  6. Step 6: Final answer
    x = 136,009.27

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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.