Home / 158,512.75-237,872.16-68,643.23

Finding the Fourth Proportional to 158,512.75, 237,872.16 and 68,643.23

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Solution

The fourth proportional to 158,512.75, 237,872.16 and 68,643.23 is: 103,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,512.75 : 237,872.16 = 68,643.23 : x
  2. Step 2: Convert to fraction form
    158,512.75/237,872.16 = 68,643.23/x
  3. Step 3: Cross multiply
    158,512.75x = 237,872.16 × 68,643.23
  4. Step 4: Simplify right side
    158,512.75x = 16,328,312,200.12
  5. Step 5: Solve for x
    x = 16,328,312,200.12/158,512.75
  6. Step 6: Final answer
    x = 103,009.46

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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.