Home / 164,621-227,186.70-92,999.18

Finding the Fourth Proportional to 164,621, 227,186.70 and 92,999.18

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Solution

The fourth proportional to 164,621, 227,186.70 and 92,999.18 is: 128,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,621 : 227,186.70 = 92,999.18 : x
  2. Step 2: Convert to fraction form
    164,621/227,186.70 = 92,999.18/x
  3. Step 3: Cross multiply
    164,621x = 227,186.70 × 92,999.18
  4. Step 4: Simplify right side
    164,621x = 21,128,176,806.91
  5. Step 5: Solve for x
    x = 21,128,176,806.91/164,621
  6. Step 6: Final answer
    x = 128,344.36

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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.