Home / 292,087.36-438,131.13-123,563.98

Finding the Fourth Proportional to 292,087.36, 438,131.13 and 123,563.98

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Solution

The fourth proportional to 292,087.36, 438,131.13 and 123,563.98 is: 185,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,087.36 : 438,131.13 = 123,563.98 : x
  2. Step 2: Convert to fraction form
    292,087.36/438,131.13 = 123,563.98/x
  3. Step 3: Cross multiply
    292,087.36x = 438,131.13 × 123,563.98
  4. Step 4: Simplify right side
    292,087.36x = 54,137,226,184.70
  5. Step 5: Solve for x
    x = 54,137,226,184.70/292,087.36
  6. Step 6: Final answer
    x = 185,346.01

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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.