Home / 255,696.06-383,637.60-118,984.36

Finding the Fourth Proportional to 255,696.06, 383,637.60 and 118,984.36

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Solution

The fourth proportional to 255,696.06, 383,637.60 and 118,984.36 is: 178,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,696.06 : 383,637.60 = 118,984.36 : x
  2. Step 2: Convert to fraction form
    255,696.06/383,637.60 = 118,984.36/x
  3. Step 3: Cross multiply
    255,696.06x = 383,637.60 × 118,984.36
  4. Step 4: Simplify right side
    255,696.06x = 45,646,874,307.94
  5. Step 5: Solve for x
    x = 45,646,874,307.94/255,696.06
  6. Step 6: Final answer
    x = 178,520.05

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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.