Home / 135,063.80-202,328.40-118,442.60

Finding the Fourth Proportional to 135,063.80, 202,328.40 and 118,442.60

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Solution

The fourth proportional to 135,063.80, 202,328.40 and 118,442.60 is: 177,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,063.80 : 202,328.40 = 118,442.60 : x
  2. Step 2: Convert to fraction form
    135,063.80/202,328.40 = 118,442.60/x
  3. Step 3: Cross multiply
    135,063.80x = 202,328.40 × 118,442.60
  4. Step 4: Simplify right side
    135,063.80x = 23,964,301,749.84
  5. Step 5: Solve for x
    x = 23,964,301,749.84/135,063.80
  6. Step 6: Final answer
    x = 177,429.49

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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.