Home / 142,446.92-196,554.93-82,005.89

Finding the Fourth Proportional to 142,446.92, 196,554.93 and 82,005.89

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Solution

The fourth proportional to 142,446.92, 196,554.93 and 82,005.89 is: 113,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,446.92 : 196,554.93 = 82,005.89 : x
  2. Step 2: Convert to fraction form
    142,446.92/196,554.93 = 82,005.89/x
  3. Step 3: Cross multiply
    142,446.92x = 196,554.93 × 82,005.89
  4. Step 4: Simplify right side
    142,446.92x = 16,118,660,985.76
  5. Step 5: Solve for x
    x = 16,118,660,985.76/142,446.92
  6. Step 6: Final answer
    x = 113,155.56

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1.5x scale

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.