Home / 104,128.69-156,199.09-29,254.67

Finding the Fourth Proportional to 104,128.69, 156,199.09 and 29,254.67

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Solution

The fourth proportional to 104,128.69, 156,199.09 and 29,254.67 is: 43,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.69 : 156,199.09 = 29,254.67 : x
  2. Step 2: Convert to fraction form
    104,128.69/156,199.09 = 29,254.67/x
  3. Step 3: Cross multiply
    104,128.69x = 156,199.09 × 29,254.67
  4. Step 4: Simplify right side
    104,128.69x = 4,569,553,149.61
  5. Step 5: Solve for x
    x = 4,569,553,149.61/104,128.69
  6. Step 6: Final answer
    x = 43,883.71

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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.