Home / 134,056.40-201,111.60-39,286.40

Finding the Fourth Proportional to 134,056.40, 201,111.60 and 39,286.40

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Solution

The fourth proportional to 134,056.40, 201,111.60 and 39,286.40 is: 58,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,056.40 : 201,111.60 = 39,286.40 : x
  2. Step 2: Convert to fraction form
    134,056.40/201,111.60 = 39,286.40/x
  3. Step 3: Cross multiply
    134,056.40x = 201,111.60 × 39,286.40
  4. Step 4: Simplify right side
    134,056.40x = 7,900,950,762.24
  5. Step 5: Solve for x
    x = 7,900,950,762.24/134,056.40
  6. Step 6: Final answer
    x = 58,937.51

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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.