Home / 146,578.86-202,278.90-82,915.32

Finding the Fourth Proportional to 146,578.86, 202,278.90 and 82,915.32

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Solution

The fourth proportional to 146,578.86, 202,278.90 and 82,915.32 is: 114,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,578.86 : 202,278.90 = 82,915.32 : x
  2. Step 2: Convert to fraction form
    146,578.86/202,278.90 = 82,915.32/x
  3. Step 3: Cross multiply
    146,578.86x = 202,278.90 × 82,915.32
  4. Step 4: Simplify right side
    146,578.86x = 16,772,019,722.75
  5. Step 5: Solve for x
    x = 16,772,019,722.75/146,578.86
  6. Step 6: Final answer
    x = 114,423.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.