Home / 154,001.80-231,020.70-48,831.40

Finding the Fourth Proportional to 154,001.80, 231,020.70 and 48,831.40

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Solution

The fourth proportional to 154,001.80, 231,020.70 and 48,831.40 is: 73,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,001.80 : 231,020.70 = 48,831.40 : x
  2. Step 2: Convert to fraction form
    154,001.80/231,020.70 = 48,831.40/x
  3. Step 3: Cross multiply
    154,001.80x = 231,020.70 × 48,831.40
  4. Step 4: Simplify right side
    154,001.80x = 11,281,064,209.98
  5. Step 5: Solve for x
    x = 11,281,064,209.98/154,001.80
  6. Step 6: Final answer
    x = 73,252.81

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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.