Home / 141,188.81-211,824.65-56,905.67

Finding the Fourth Proportional to 141,188.81, 211,824.65 and 56,905.67

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Solution

The fourth proportional to 141,188.81, 211,824.65 and 56,905.67 is: 85,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,188.81 : 211,824.65 = 56,905.67 : x
  2. Step 2: Convert to fraction form
    141,188.81/211,824.65 = 56,905.67/x
  3. Step 3: Cross multiply
    141,188.81x = 211,824.65 × 56,905.67
  4. Step 4: Simplify right side
    141,188.81x = 12,054,024,302.59
  5. Step 5: Solve for x
    x = 12,054,024,302.59/141,188.81
  6. Step 6: Final answer
    x = 85,375.21

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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.