Home / 386,477.22-533,237.58-223,093.74

Finding the Fourth Proportional to 386,477.22, 533,237.58 and 223,093.74

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Solution

The fourth proportional to 386,477.22, 533,237.58 and 223,093.74 is: 307,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,477.22 : 533,237.58 = 223,093.74 : x
  2. Step 2: Convert to fraction form
    386,477.22/533,237.58 = 223,093.74/x
  3. Step 3: Cross multiply
    386,477.22x = 533,237.58 × 223,093.74
  4. Step 4: Simplify right side
    386,477.22x = 118,961,966,030.75
  5. Step 5: Solve for x
    x = 118,961,966,030.75/386,477.22
  6. Step 6: Final answer
    x = 307,811.07

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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.