Home / 168,943.80-233,119.38-100,946.40

Finding the Fourth Proportional to 168,943.80, 233,119.38 and 100,946.40

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Solution

The fourth proportional to 168,943.80, 233,119.38 and 100,946.40 is: 139,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,943.80 : 233,119.38 = 100,946.40 : x
  2. Step 2: Convert to fraction form
    168,943.80/233,119.38 = 100,946.40/x
  3. Step 3: Cross multiply
    168,943.80x = 233,119.38 × 100,946.40
  4. Step 4: Simplify right side
    168,943.80x = 23,532,562,181.23
  5. Step 5: Solve for x
    x = 23,532,562,181.23/168,943.80
  6. Step 6: Final answer
    x = 139,292.25

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1.5x scale

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.