Home / 209,558.02-314,337.30-51,784.06

Finding the Fourth Proportional to 209,558.02, 314,337.30 and 51,784.06

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Solution

The fourth proportional to 209,558.02, 314,337.30 and 51,784.06 is: 77,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,558.02 : 314,337.30 = 51,784.06 : x
  2. Step 2: Convert to fraction form
    209,558.02/314,337.30 = 51,784.06/x
  3. Step 3: Cross multiply
    209,558.02x = 314,337.30 × 51,784.06
  4. Step 4: Simplify right side
    209,558.02x = 16,277,661,603.44
  5. Step 5: Solve for x
    x = 16,277,661,603.44/209,558.02
  6. Step 6: Final answer
    x = 77,676.16

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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.