Home / 134,401.78-201,602.67-40,907.53

Finding the Fourth Proportional to 134,401.78, 201,602.67 and 40,907.53

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Solution

The fourth proportional to 134,401.78, 201,602.67 and 40,907.53 is: 61,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,401.78 : 201,602.67 = 40,907.53 : x
  2. Step 2: Convert to fraction form
    134,401.78/201,602.67 = 40,907.53/x
  3. Step 3: Cross multiply
    134,401.78x = 201,602.67 × 40,907.53
  4. Step 4: Simplify right side
    134,401.78x = 8,247,067,599.81
  5. Step 5: Solve for x
    x = 8,247,067,599.81/134,401.78
  6. Step 6: Final answer
    x = 61,361.30

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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.