Home / 192,005.06-288,070.76-90,846.58

Finding the Fourth Proportional to 192,005.06, 288,070.76 and 90,846.58

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Solution

The fourth proportional to 192,005.06, 288,070.76 and 90,846.58 is: 136,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,005.06 : 288,070.76 = 90,846.58 : x
  2. Step 2: Convert to fraction form
    192,005.06/288,070.76 = 90,846.58/x
  3. Step 3: Cross multiply
    192,005.06x = 288,070.76 × 90,846.58
  4. Step 4: Simplify right side
    192,005.06x = 26,170,243,344.00
  5. Step 5: Solve for x
    x = 26,170,243,344.00/192,005.06
  6. Step 6: Final answer
    x = 136,299.76

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1.5x scale

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.