Home / 135,800.50-203,706.27-64,686.58

Finding the Fourth Proportional to 135,800.50, 203,706.27 and 64,686.58

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Solution

The fourth proportional to 135,800.50, 203,706.27 and 64,686.58 is: 97,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,800.50 : 203,706.27 = 64,686.58 : x
  2. Step 2: Convert to fraction form
    135,800.50/203,706.27 = 64,686.58/x
  3. Step 3: Cross multiply
    135,800.50x = 203,706.27 × 64,686.58
  4. Step 4: Simplify right side
    135,800.50x = 13,177,061,930.86
  5. Step 5: Solve for x
    x = 13,177,061,930.86/135,800.50
  6. Step 6: Final answer
    x = 97,032.50

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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.