Home / 118,548.55-177,948.15-115,871.36

Finding the Fourth Proportional to 118,548.55, 177,948.15 and 115,871.36

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Solution

The fourth proportional to 118,548.55, 177,948.15 and 115,871.36 is: 173,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548.55 : 177,948.15 = 115,871.36 : x
  2. Step 2: Convert to fraction form
    118,548.55/177,948.15 = 115,871.36/x
  3. Step 3: Cross multiply
    118,548.55x = 177,948.15 × 115,871.36
  4. Step 4: Simplify right side
    118,548.55x = 20,619,093,482.68
  5. Step 5: Solve for x
    x = 20,619,093,482.68/118,548.55
  6. Step 6: Final answer
    x = 173,929.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.