Home / 154,277.12-231,411.36-49,102.40

Finding the Fourth Proportional to 154,277.12, 231,411.36 and 49,102.40

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Solution

The fourth proportional to 154,277.12, 231,411.36 and 49,102.40 is: 73,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,277.12 : 231,411.36 = 49,102.40 : x
  2. Step 2: Convert to fraction form
    154,277.12/231,411.36 = 49,102.40/x
  3. Step 3: Cross multiply
    154,277.12x = 231,411.36 × 49,102.40
  4. Step 4: Simplify right side
    154,277.12x = 11,362,853,163.26
  5. Step 5: Solve for x
    x = 11,362,853,163.26/154,277.12
  6. Step 6: Final answer
    x = 73,652.23

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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.