Home / 216,582.56-298,763.94-125,928.50

Finding the Fourth Proportional to 216,582.56, 298,763.94 and 125,928.50

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Solution

The fourth proportional to 216,582.56, 298,763.94 and 125,928.50 is: 173,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,582.56 : 298,763.94 = 125,928.50 : x
  2. Step 2: Convert to fraction form
    216,582.56/298,763.94 = 125,928.50/x
  3. Step 3: Cross multiply
    216,582.56x = 298,763.94 × 125,928.50
  4. Step 4: Simplify right side
    216,582.56x = 37,622,894,818.29
  5. Step 5: Solve for x
    x = 37,622,894,818.29/216,582.56
  6. Step 6: Final answer
    x = 173,711.56

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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.