Home / 113,771.98-156,999.63-63,461.26

Finding the Fourth Proportional to 113,771.98, 156,999.63 and 63,461.26

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Solution

The fourth proportional to 113,771.98, 156,999.63 and 63,461.26 is: 87,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,771.98 : 156,999.63 = 63,461.26 : x
  2. Step 2: Convert to fraction form
    113,771.98/156,999.63 = 63,461.26/x
  3. Step 3: Cross multiply
    113,771.98x = 156,999.63 × 63,461.26
  4. Step 4: Simplify right side
    113,771.98x = 9,963,394,339.33
  5. Step 5: Solve for x
    x = 9,963,394,339.33/113,771.98
  6. Step 6: Final answer
    x = 87,573.36

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1.5x scale

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.