Home / 118,389.63-163,375.63-64,673.27

Finding the Fourth Proportional to 118,389.63, 163,375.63 and 64,673.27

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Solution

The fourth proportional to 118,389.63, 163,375.63 and 64,673.27 is: 89,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,389.63 : 163,375.63 = 64,673.27 : x
  2. Step 2: Convert to fraction form
    118,389.63/163,375.63 = 64,673.27/x
  3. Step 3: Cross multiply
    118,389.63x = 163,375.63 × 64,673.27
  4. Step 4: Simplify right side
    118,389.63x = 10,566,036,230.41
  5. Step 5: Solve for x
    x = 10,566,036,230.41/118,389.63
  6. Step 6: Final answer
    x = 89,247.99

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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.