Home / 383,088.19-528,661.67-222,036.66

Finding the Fourth Proportional to 383,088.19, 528,661.67 and 222,036.66

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Solution

The fourth proportional to 383,088.19, 528,661.67 and 222,036.66 is: 306,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,088.19 : 528,661.67 = 222,036.66 : x
  2. Step 2: Convert to fraction form
    383,088.19/528,661.67 = 222,036.66/x
  3. Step 3: Cross multiply
    383,088.19x = 528,661.67 × 222,036.66
  4. Step 4: Simplify right side
    383,088.19x = 117,382,271,476.82
  5. Step 5: Solve for x
    x = 117,382,271,476.82/383,088.19
  6. Step 6: Final answer
    x = 306,410.57

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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.