Home / 306,904.14-423,549-186,050.52

Finding the Fourth Proportional to 306,904.14, 423,549 and 186,050.52

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Solution

The fourth proportional to 306,904.14, 423,549 and 186,050.52 is: 256,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,904.14 : 423,549 = 186,050.52 : x
  2. Step 2: Convert to fraction form
    306,904.14/423,549 = 186,050.52/x
  3. Step 3: Cross multiply
    306,904.14x = 423,549 × 186,050.52
  4. Step 4: Simplify right side
    306,904.14x = 78,801,511,695.48
  5. Step 5: Solve for x
    x = 78,801,511,695.48/306,904.14
  6. Step 6: Final answer
    x = 256,762.62

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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.