Home / 141,466.22-212,199.33-66,539.78

Finding the Fourth Proportional to 141,466.22, 212,199.33 and 66,539.78

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Solution

The fourth proportional to 141,466.22, 212,199.33 and 66,539.78 is: 99,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,466.22 : 212,199.33 = 66,539.78 : x
  2. Step 2: Convert to fraction form
    141,466.22/212,199.33 = 66,539.78/x
  3. Step 3: Cross multiply
    141,466.22x = 212,199.33 × 66,539.78
  4. Step 4: Simplify right side
    141,466.22x = 14,119,696,734.35
  5. Step 5: Solve for x
    x = 14,119,696,734.35/141,466.22
  6. Step 6: Final answer
    x = 99,809.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.