Home / 136,210.50-204,315.40-64,917.03

Finding the Fourth Proportional to 136,210.50, 204,315.40 and 64,917.03

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Solution

The fourth proportional to 136,210.50, 204,315.40 and 64,917.03 is: 97,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,210.50 : 204,315.40 = 64,917.03 : x
  2. Step 2: Convert to fraction form
    136,210.50/204,315.40 = 64,917.03/x
  3. Step 3: Cross multiply
    136,210.50x = 204,315.40 × 64,917.03
  4. Step 4: Simplify right side
    136,210.50x = 13,263,548,951.26
  5. Step 5: Solve for x
    x = 13,263,548,951.26/136,210.50
  6. Step 6: Final answer
    x = 97,375.38

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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.