Home / 135,090.30-202,368.15-118,469.10

Finding the Fourth Proportional to 135,090.30, 202,368.15 and 118,469.10

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Solution

The fourth proportional to 135,090.30, 202,368.15 and 118,469.10 is: 177,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,090.30 : 202,368.15 = 118,469.10 : x
  2. Step 2: Convert to fraction form
    135,090.30/202,368.15 = 118,469.10/x
  3. Step 3: Cross multiply
    135,090.30x = 202,368.15 × 118,469.10
  4. Step 4: Simplify right side
    135,090.30x = 23,974,372,599.17
  5. Step 5: Solve for x
    x = 23,974,372,599.17/135,090.30
  6. Step 6: Final answer
    x = 177,469.24

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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.