Home / 148,431.12-221,831.74-108,534.10

Finding the Fourth Proportional to 148,431.12, 221,831.74 and 108,534.10

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Solution

The fourth proportional to 148,431.12, 221,831.74 and 108,534.10 is: 162,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,431.12 : 221,831.74 = 108,534.10 : x
  2. Step 2: Convert to fraction form
    148,431.12/221,831.74 = 108,534.10/x
  3. Step 3: Cross multiply
    148,431.12x = 221,831.74 × 108,534.10
  4. Step 4: Simplify right side
    148,431.12x = 24,076,308,252.33
  5. Step 5: Solve for x
    x = 24,076,308,252.33/148,431.12
  6. Step 6: Final answer
    x = 162,205.26

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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.