Home / 185,997.17-256,696.16-105,416.04

Finding the Fourth Proportional to 185,997.17, 256,696.16 and 105,416.04

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Solution

The fourth proportional to 185,997.17, 256,696.16 and 105,416.04 is: 145,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,997.17 : 256,696.16 = 105,416.04 : x
  2. Step 2: Convert to fraction form
    185,997.17/256,696.16 = 105,416.04/x
  3. Step 3: Cross multiply
    185,997.17x = 256,696.16 × 105,416.04
  4. Step 4: Simplify right side
    185,997.17x = 27,059,892,275.10
  5. Step 5: Solve for x
    x = 27,059,892,275.10/185,997.17
  6. Step 6: Final answer
    x = 145,485.51

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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.