Home / 112,200.74-154,826.24-61,896.50

Finding the Fourth Proportional to 112,200.74, 154,826.24 and 61,896.50

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Solution

The fourth proportional to 112,200.74, 154,826.24 and 61,896.50 is: 85,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.74 : 154,826.24 = 61,896.50 : x
  2. Step 2: Convert to fraction form
    112,200.74/154,826.24 = 61,896.50/x
  3. Step 3: Cross multiply
    112,200.74x = 154,826.24 × 61,896.50
  4. Step 4: Simplify right side
    112,200.74x = 9,583,202,364.16
  5. Step 5: Solve for x
    x = 9,583,202,364.16/112,200.74
  6. Step 6: Final answer
    x = 85,411.22

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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.