Home / 135,223.40-202,868.32-46,478.18

Finding the Fourth Proportional to 135,223.40, 202,868.32 and 46,478.18

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Solution

The fourth proportional to 135,223.40, 202,868.32 and 46,478.18 is: 69,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,223.40 : 202,868.32 = 46,478.18 : x
  2. Step 2: Convert to fraction form
    135,223.40/202,868.32 = 46,478.18/x
  3. Step 3: Cross multiply
    135,223.40x = 202,868.32 × 46,478.18
  4. Step 4: Simplify right side
    135,223.40x = 9,428,950,293.26
  5. Step 5: Solve for x
    x = 9,428,950,293.26/135,223.40
  6. Step 6: Final answer
    x = 69,728.69

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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.