Home / 135,133.24-201,710.33-119,172.60

Finding the Fourth Proportional to 135,133.24, 201,710.33 and 119,172.60

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Solution

The fourth proportional to 135,133.24, 201,710.33 and 119,172.60 is: 177,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,133.24 : 201,710.33 = 119,172.60 : x
  2. Step 2: Convert to fraction form
    135,133.24/201,710.33 = 119,172.60/x
  3. Step 3: Cross multiply
    135,133.24x = 201,710.33 × 119,172.60
  4. Step 4: Simplify right side
    135,133.24x = 24,038,344,472.96
  5. Step 5: Solve for x
    x = 24,038,344,472.96/135,133.24
  6. Step 6: Final answer
    x = 177,886.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.