Home / 163,868.06-245,753.66-83,856.67

Finding the Fourth Proportional to 163,868.06, 245,753.66 and 83,856.67

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Solution

The fourth proportional to 163,868.06, 245,753.66 and 83,856.67 is: 125,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,868.06 : 245,753.66 = 83,856.67 : x
  2. Step 2: Convert to fraction form
    163,868.06/245,753.66 = 83,856.67/x
  3. Step 3: Cross multiply
    163,868.06x = 245,753.66 × 83,856.67
  4. Step 4: Simplify right side
    163,868.06x = 20,608,083,163.17
  5. Step 5: Solve for x
    x = 20,608,083,163.17/163,868.06
  6. Step 6: Final answer
    x = 125,760.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.