Home / 168,292.89-252,453.23-121,127.50

Finding the Fourth Proportional to 168,292.89, 252,453.23 and 121,127.50

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Solution

The fourth proportional to 168,292.89, 252,453.23 and 121,127.50 is: 181,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,292.89 : 252,453.23 = 121,127.50 : x
  2. Step 2: Convert to fraction form
    168,292.89/252,453.23 = 121,127.50/x
  3. Step 3: Cross multiply
    168,292.89x = 252,453.23 × 121,127.50
  4. Step 4: Simplify right side
    168,292.89x = 30,579,028,616.83
  5. Step 5: Solve for x
    x = 30,579,028,616.83/168,292.89
  6. Step 6: Final answer
    x = 181,701.25

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1.5x scale

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.