Home / 141,715.50-212,496.30-70,481.67

Finding the Fourth Proportional to 141,715.50, 212,496.30 and 70,481.67

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Solution

The fourth proportional to 141,715.50, 212,496.30 and 70,481.67 is: 105,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,715.50 : 212,496.30 = 70,481.67 : x
  2. Step 2: Convert to fraction form
    141,715.50/212,496.30 = 70,481.67/x
  3. Step 3: Cross multiply
    141,715.50x = 212,496.30 × 70,481.67
  4. Step 4: Simplify right side
    141,715.50x = 14,977,094,092.82
  5. Step 5: Solve for x
    x = 14,977,094,092.82/141,715.50
  6. Step 6: Final answer
    x = 105,684.23

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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.