Home / 157,621.87-236,297.94-68,810.23

Finding the Fourth Proportional to 157,621.87, 236,297.94 and 68,810.23

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Solution

The fourth proportional to 157,621.87, 236,297.94 and 68,810.23 is: 103,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,621.87 : 236,297.94 = 68,810.23 : x
  2. Step 2: Convert to fraction form
    157,621.87/236,297.94 = 68,810.23/x
  3. Step 3: Cross multiply
    157,621.87x = 236,297.94 × 68,810.23
  4. Step 4: Simplify right side
    157,621.87x = 16,259,715,599.93
  5. Step 5: Solve for x
    x = 16,259,715,599.93/157,621.87
  6. Step 6: Final answer
    x = 103,156.47

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1.5x scale

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.