Home / 119,846.76-165,389.07-66,133.36

Finding the Fourth Proportional to 119,846.76, 165,389.07 and 66,133.36

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Solution

The fourth proportional to 119,846.76, 165,389.07 and 66,133.36 is: 91,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,846.76 : 165,389.07 = 66,133.36 : x
  2. Step 2: Convert to fraction form
    119,846.76/165,389.07 = 66,133.36/x
  3. Step 3: Cross multiply
    119,846.76x = 165,389.07 × 66,133.36
  4. Step 4: Simplify right side
    119,846.76x = 10,937,734,803.11
  5. Step 5: Solve for x
    x = 10,937,734,803.11/119,846.76
  6. Step 6: Final answer
    x = 91,264.33

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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.