Home / 105,833.28-157,719.22-102,629.44

Finding the Fourth Proportional to 105,833.28, 157,719.22 and 102,629.44

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Solution

The fourth proportional to 105,833.28, 157,719.22 and 102,629.44 is: 152,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,833.28 : 157,719.22 = 102,629.44 : x
  2. Step 2: Convert to fraction form
    105,833.28/157,719.22 = 102,629.44/x
  3. Step 3: Cross multiply
    105,833.28x = 157,719.22 × 102,629.44
  4. Step 4: Simplify right side
    105,833.28x = 16,186,635,225.84
  5. Step 5: Solve for x
    x = 16,186,635,225.84/105,833.28
  6. Step 6: Final answer
    x = 152,944.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.