Home / 130,550.85-180,219.21-82,223.80

Finding the Fourth Proportional to 130,550.85, 180,219.21 and 82,223.80

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Solution

The fourth proportional to 130,550.85, 180,219.21 and 82,223.80 is: 113,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,550.85 : 180,219.21 = 82,223.80 : x
  2. Step 2: Convert to fraction form
    130,550.85/180,219.21 = 82,223.80/x
  3. Step 3: Cross multiply
    130,550.85x = 180,219.21 × 82,223.80
  4. Step 4: Simplify right side
    130,550.85x = 14,818,308,279.20
  5. Step 5: Solve for x
    x = 14,818,308,279.20/130,550.85
  6. Step 6: Final answer
    x = 113,506.03

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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.