Home / 133,103.25-183,682.49-76,547.43

Finding the Fourth Proportional to 133,103.25, 183,682.49 and 76,547.43

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Solution

The fourth proportional to 133,103.25, 183,682.49 and 76,547.43 is: 105,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,103.25 : 183,682.49 = 76,547.43 : x
  2. Step 2: Convert to fraction form
    133,103.25/183,682.49 = 76,547.43/x
  3. Step 3: Cross multiply
    133,103.25x = 183,682.49 × 76,547.43
  4. Step 4: Simplify right side
    133,103.25x = 14,060,422,162.76
  5. Step 5: Solve for x
    x = 14,060,422,162.76/133,103.25
  6. Step 6: Final answer
    x = 105,635.45

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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.