Home / 146,861.08-202,678.32-83,199.40

Finding the Fourth Proportional to 146,861.08, 202,678.32 and 83,199.40

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Solution

The fourth proportional to 146,861.08, 202,678.32 and 83,199.40 is: 114,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,861.08 : 202,678.32 = 83,199.40 : x
  2. Step 2: Convert to fraction form
    146,861.08/202,678.32 = 83,199.40/x
  3. Step 3: Cross multiply
    146,861.08x = 202,678.32 × 83,199.40
  4. Step 4: Simplify right side
    146,861.08x = 16,862,714,915.71
  5. Step 5: Solve for x
    x = 16,862,714,915.71/146,861.08
  6. Step 6: Final answer
    x = 114,820.85

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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.