Home / 183,989.18-253,912.28-103,416.46

Finding the Fourth Proportional to 183,989.18, 253,912.28 and 103,416.46

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Solution

The fourth proportional to 183,989.18, 253,912.28 and 103,416.46 is: 142,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,989.18 : 253,912.28 = 103,416.46 : x
  2. Step 2: Convert to fraction form
    183,989.18/253,912.28 = 103,416.46/x
  3. Step 3: Cross multiply
    183,989.18x = 253,912.28 × 103,416.46
  4. Step 4: Simplify right side
    183,989.18x = 26,258,707,996.27
  5. Step 5: Solve for x
    x = 26,258,707,996.27/183,989.18
  6. Step 6: Final answer
    x = 142,718.76

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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.