Home / 152,859.06-210,944.35-84,876.27

Finding the Fourth Proportional to 152,859.06, 210,944.35 and 84,876.27

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Solution

The fourth proportional to 152,859.06, 210,944.35 and 84,876.27 is: 117,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,859.06 : 210,944.35 = 84,876.27 : x
  2. Step 2: Convert to fraction form
    152,859.06/210,944.35 = 84,876.27/x
  3. Step 3: Cross multiply
    152,859.06x = 210,944.35 × 84,876.27
  4. Step 4: Simplify right side
    152,859.06x = 17,904,170,552.15
  5. Step 5: Solve for x
    x = 17,904,170,552.15/152,859.06
  6. Step 6: Final answer
    x = 117,128.62

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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.