Home / 130,212.90-179,692.83-73,626.30

Finding the Fourth Proportional to 130,212.90, 179,692.83 and 73,626.30

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Solution

The fourth proportional to 130,212.90, 179,692.83 and 73,626.30 is: 101,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,212.90 : 179,692.83 = 73,626.30 : x
  2. Step 2: Convert to fraction form
    130,212.90/179,692.83 = 73,626.30/x
  3. Step 3: Cross multiply
    130,212.90x = 179,692.83 × 73,626.30
  4. Step 4: Simplify right side
    130,212.90x = 13,230,118,209.43
  5. Step 5: Solve for x
    x = 13,230,118,209.43/130,212.90
  6. Step 6: Final answer
    x = 101,603.74

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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.