Home / 219,278.63-302,610.42-133,208.33

Finding the Fourth Proportional to 219,278.63, 302,610.42 and 133,208.33

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Solution

The fourth proportional to 219,278.63, 302,610.42 and 133,208.33 is: 183,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,278.63 : 302,610.42 = 133,208.33 : x
  2. Step 2: Convert to fraction form
    219,278.63/302,610.42 = 133,208.33/x
  3. Step 3: Cross multiply
    219,278.63x = 302,610.42 × 133,208.33
  4. Step 4: Simplify right side
    219,278.63x = 40,310,227,175.75
  5. Step 5: Solve for x
    x = 40,310,227,175.75/219,278.63
  6. Step 6: Final answer
    x = 183,831.08

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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.