Home / 152,819.67-210,881.10-84,833.33

Finding the Fourth Proportional to 152,819.67, 210,881.10 and 84,833.33

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Solution

The fourth proportional to 152,819.67, 210,881.10 and 84,833.33 is: 117,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,819.67 : 210,881.10 = 84,833.33 : x
  2. Step 2: Convert to fraction form
    152,819.67/210,881.10 = 84,833.33/x
  3. Step 3: Cross multiply
    152,819.67x = 210,881.10 × 84,833.33
  4. Step 4: Simplify right side
    152,819.67x = 17,889,745,947.06
  5. Step 5: Solve for x
    x = 17,889,745,947.06/152,819.67
  6. Step 6: Final answer
    x = 117,064.42

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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.