Home / 143,368.92-197,792.28-82,928.34

Finding the Fourth Proportional to 143,368.92, 197,792.28 and 82,928.34

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Solution

The fourth proportional to 143,368.92, 197,792.28 and 82,928.34 is: 114,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,368.92 : 197,792.28 = 82,928.34 : x
  2. Step 2: Convert to fraction form
    143,368.92/197,792.28 = 82,928.34/x
  3. Step 3: Cross multiply
    143,368.92x = 197,792.28 × 82,928.34
  4. Step 4: Simplify right side
    143,368.92x = 16,402,585,445.22
  5. Step 5: Solve for x
    x = 16,402,585,445.22/143,368.92
  6. Step 6: Final answer
    x = 114,408.24

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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.