Home / 238,657.12-329,396.94-151,385.77

Finding the Fourth Proportional to 238,657.12, 329,396.94 and 151,385.77

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Solution

The fourth proportional to 238,657.12, 329,396.94 and 151,385.77 is: 208,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,657.12 : 329,396.94 = 151,385.77 : x
  2. Step 2: Convert to fraction form
    238,657.12/329,396.94 = 151,385.77/x
  3. Step 3: Cross multiply
    238,657.12x = 329,396.94 × 151,385.77
  4. Step 4: Simplify right side
    238,657.12x = 49,866,009,397.54
  5. Step 5: Solve for x
    x = 49,866,009,397.54/238,657.12
  6. Step 6: Final answer
    x = 208,944.15

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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.