Home / 134,455.75-201,683.64-40,961.50

Finding the Fourth Proportional to 134,455.75, 201,683.64 and 40,961.50

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Solution

The fourth proportional to 134,455.75, 201,683.64 and 40,961.50 is: 61,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,455.75 : 201,683.64 = 40,961.50 : x
  2. Step 2: Convert to fraction form
    134,455.75/201,683.64 = 40,961.50/x
  3. Step 3: Cross multiply
    134,455.75x = 201,683.64 × 40,961.50
  4. Step 4: Simplify right side
    134,455.75x = 8,261,264,419.86
  5. Step 5: Solve for x
    x = 8,261,264,419.86/134,455.75
  6. Step 6: Final answer
    x = 61,442.25

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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.