Home / 147,856.85-203,971.32-96,847.50

Finding the Fourth Proportional to 147,856.85, 203,971.32 and 96,847.50

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Solution

The fourth proportional to 147,856.85, 203,971.32 and 96,847.50 is: 133,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.85 : 203,971.32 = 96,847.50 : x
  2. Step 2: Convert to fraction form
    147,856.85/203,971.32 = 96,847.50/x
  3. Step 3: Cross multiply
    147,856.85x = 203,971.32 × 96,847.50
  4. Step 4: Simplify right side
    147,856.85x = 19,754,112,413.70
  5. Step 5: Solve for x
    x = 19,754,112,413.70/147,856.85
  6. Step 6: Final answer
    x = 133,602.96

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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.