Home / 335,921.76-503,596.80-148,831.20

Finding the Fourth Proportional to 335,921.76, 503,596.80 and 148,831.20

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Solution

The fourth proportional to 335,921.76, 503,596.80 and 148,831.20 is: 223,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,921.76 : 503,596.80 = 148,831.20 : x
  2. Step 2: Convert to fraction form
    335,921.76/503,596.80 = 148,831.20/x
  3. Step 3: Cross multiply
    335,921.76x = 503,596.80 × 148,831.20
  4. Step 4: Simplify right side
    335,921.76x = 74,950,916,060.16
  5. Step 5: Solve for x
    x = 74,950,916,060.16/335,921.76
  6. Step 6: Final answer
    x = 223,120.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.