Home / 118,530.26-163,494.69-76,021.46

Finding the Fourth Proportional to 118,530.26, 163,494.69 and 76,021.46

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Solution

The fourth proportional to 118,530.26, 163,494.69 and 76,021.46 is: 104,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,530.26 : 163,494.69 = 76,021.46 : x
  2. Step 2: Convert to fraction form
    118,530.26/163,494.69 = 76,021.46/x
  3. Step 3: Cross multiply
    118,530.26x = 163,494.69 × 76,021.46
  4. Step 4: Simplify right side
    118,530.26x = 12,429,105,036.05
  5. Step 5: Solve for x
    x = 12,429,105,036.05/118,530.26
  6. Step 6: Final answer
    x = 104,860.19

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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.