Home / 202,823.60-304,408.20-90,676.40

Finding the Fourth Proportional to 202,823.60, 304,408.20 and 90,676.40

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Solution

The fourth proportional to 202,823.60, 304,408.20 and 90,676.40 is: 136,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,823.60 : 304,408.20 = 90,676.40 : x
  2. Step 2: Convert to fraction form
    202,823.60/304,408.20 = 90,676.40/x
  3. Step 3: Cross multiply
    202,823.60x = 304,408.20 × 90,676.40
  4. Step 4: Simplify right side
    202,823.60x = 27,602,639,706.48
  5. Step 5: Solve for x
    x = 27,602,639,706.48/202,823.60
  6. Step 6: Final answer
    x = 136,091.85

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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.