Home / 168,674.13-253,052.71-118,851.50

Finding the Fourth Proportional to 168,674.13, 253,052.71 and 118,851.50

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Solution

The fourth proportional to 168,674.13, 253,052.71 and 118,851.50 is: 178,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,674.13 : 253,052.71 = 118,851.50 : x
  2. Step 2: Convert to fraction form
    168,674.13/253,052.71 = 118,851.50/x
  3. Step 3: Cross multiply
    168,674.13x = 253,052.71 × 118,851.50
  4. Step 4: Simplify right side
    168,674.13x = 30,075,694,498.07
  5. Step 5: Solve for x
    x = 30,075,694,498.07/168,674.13
  6. Step 6: Final answer
    x = 178,306.50

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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.