Home / 152,848.90-210,944.82-84,879.10

Finding the Fourth Proportional to 152,848.90, 210,944.82 and 84,879.10

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Solution

The fourth proportional to 152,848.90, 210,944.82 and 84,879.10 is: 117,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,848.90 : 210,944.82 = 84,879.10 : x
  2. Step 2: Convert to fraction form
    152,848.90/210,944.82 = 84,879.10/x
  3. Step 3: Cross multiply
    152,848.90x = 210,944.82 × 84,879.10
  4. Step 4: Simplify right side
    152,848.90x = 17,904,806,471.26
  5. Step 5: Solve for x
    x = 17,904,806,471.26/152,848.90
  6. Step 6: Final answer
    x = 117,140.56

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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.