Home / 133,146.41-183,717.71-75,782.35

Finding the Fourth Proportional to 133,146.41, 183,717.71 and 75,782.35

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Solution

The fourth proportional to 133,146.41, 183,717.71 and 75,782.35 is: 104,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,146.41 : 183,717.71 = 75,782.35 : x
  2. Step 2: Convert to fraction form
    133,146.41/183,717.71 = 75,782.35/x
  3. Step 3: Cross multiply
    133,146.41x = 183,717.71 × 75,782.35
  4. Step 4: Simplify right side
    133,146.41x = 13,922,559,800.42
  5. Step 5: Solve for x
    x = 13,922,559,800.42/133,146.41
  6. Step 6: Final answer
    x = 104,565.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.