Home / 284,625.08-426,937.16-74,263.01

Finding the Fourth Proportional to 284,625.08, 426,937.16 and 74,263.01

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Solution

The fourth proportional to 284,625.08, 426,937.16 and 74,263.01 is: 111,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,625.08 : 426,937.16 = 74,263.01 : x
  2. Step 2: Convert to fraction form
    284,625.08/426,937.16 = 74,263.01/x
  3. Step 3: Cross multiply
    284,625.08x = 426,937.16 × 74,263.01
  4. Step 4: Simplify right side
    284,625.08x = 31,705,638,582.45
  5. Step 5: Solve for x
    x = 31,705,638,582.45/284,625.08
  6. Step 6: Final answer
    x = 111,394.39

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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.