Home / 292,623.65-438,935.48-82,261.59

Finding the Fourth Proportional to 292,623.65, 438,935.48 and 82,261.59

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Solution

The fourth proportional to 292,623.65, 438,935.48 and 82,261.59 is: 123,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,623.65 : 438,935.48 = 82,261.59 : x
  2. Step 2: Convert to fraction form
    292,623.65/438,935.48 = 82,261.59/x
  3. Step 3: Cross multiply
    292,623.65x = 438,935.48 × 82,261.59
  4. Step 4: Simplify right side
    292,623.65x = 36,107,530,492.21
  5. Step 5: Solve for x
    x = 36,107,530,492.21/292,623.65
  6. Step 6: Final answer
    x = 123,392.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.