Home / 143,213.60-197,590.28-82,762.22

Finding the Fourth Proportional to 143,213.60, 197,590.28 and 82,762.22

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Solution

The fourth proportional to 143,213.60, 197,590.28 and 82,762.22 is: 114,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,213.60 : 197,590.28 = 82,762.22 : x
  2. Step 2: Convert to fraction form
    143,213.60/197,590.28 = 82,762.22/x
  3. Step 3: Cross multiply
    143,213.60x = 197,590.28 × 82,762.22
  4. Step 4: Simplify right side
    143,213.60x = 16,353,010,223.22
  5. Step 5: Solve for x
    x = 16,353,010,223.22/143,213.60
  6. Step 6: Final answer
    x = 114,186.15

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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.