Home / 145,831.59-218,757.92-51,051.06

Finding the Fourth Proportional to 145,831.59, 218,757.92 and 51,051.06

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Solution

The fourth proportional to 145,831.59, 218,757.92 and 51,051.06 is: 76,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,831.59 : 218,757.92 = 51,051.06 : x
  2. Step 2: Convert to fraction form
    145,831.59/218,757.92 = 51,051.06/x
  3. Step 3: Cross multiply
    145,831.59x = 218,757.92 × 51,051.06
  4. Step 4: Simplify right side
    145,831.59x = 11,167,823,444.14
  5. Step 5: Solve for x
    x = 11,167,823,444.14/145,831.59
  6. Step 6: Final answer
    x = 76,580.28

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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.