Home / 113,114.88-156,176.64-70,692.48

Finding the Fourth Proportional to 113,114.88, 156,176.64 and 70,692.48

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Solution

The fourth proportional to 113,114.88, 156,176.64 and 70,692.48 is: 97,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,114.88 : 156,176.64 = 70,692.48 : x
  2. Step 2: Convert to fraction form
    113,114.88/156,176.64 = 70,692.48/x
  3. Step 3: Cross multiply
    113,114.88x = 156,176.64 × 70,692.48
  4. Step 4: Simplify right side
    113,114.88x = 11,040,513,999.67
  5. Step 5: Solve for x
    x = 11,040,513,999.67/113,114.88
  6. Step 6: Final answer
    x = 97,604.44

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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.