Home / 183,930.55-253,831.67-103,357.83

Finding the Fourth Proportional to 183,930.55, 253,831.67 and 103,357.83

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Solution

The fourth proportional to 183,930.55, 253,831.67 and 103,357.83 is: 142,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,930.55 : 253,831.67 = 103,357.83 : x
  2. Step 2: Convert to fraction form
    183,930.55/253,831.67 = 103,357.83/x
  3. Step 3: Cross multiply
    183,930.55x = 253,831.67 × 103,357.83
  4. Step 4: Simplify right side
    183,930.55x = 26,235,490,596.48
  5. Step 5: Solve for x
    x = 26,235,490,596.48/183,930.55
  6. Step 6: Final answer
    x = 142,638.03

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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.