Home / 270,919.18-373,874.54-154,630.33

Finding the Fourth Proportional to 270,919.18, 373,874.54 and 154,630.33

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Solution

The fourth proportional to 270,919.18, 373,874.54 and 154,630.33 is: 213,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,919.18 : 373,874.54 = 154,630.33 : x
  2. Step 2: Convert to fraction form
    270,919.18/373,874.54 = 154,630.33/x
  3. Step 3: Cross multiply
    270,919.18x = 373,874.54 × 154,630.33
  4. Step 4: Simplify right side
    270,919.18x = 57,812,343,894.00
  5. Step 5: Solve for x
    x = 57,812,343,894.00/270,919.18
  6. Step 6: Final answer
    x = 213,393.32

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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.