Home / 148,594.86-221,722.05-139,554.36

Finding the Fourth Proportional to 148,594.86, 221,722.05 and 139,554.36

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Solution

The fourth proportional to 148,594.86, 221,722.05 and 139,554.36 is: 208,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,594.86 : 221,722.05 = 139,554.36 : x
  2. Step 2: Convert to fraction form
    148,594.86/221,722.05 = 139,554.36/x
  3. Step 3: Cross multiply
    148,594.86x = 221,722.05 × 139,554.36
  4. Step 4: Simplify right side
    148,594.86x = 30,942,278,785.64
  5. Step 5: Solve for x
    x = 30,942,278,785.64/148,594.86
  6. Step 6: Final answer
    x = 208,232.50

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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.