Home / 104,128.81-156,199.27-29,254.80

Finding the Fourth Proportional to 104,128.81, 156,199.27 and 29,254.80

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Solution

The fourth proportional to 104,128.81, 156,199.27 and 29,254.80 is: 43,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.81 : 156,199.27 = 29,254.80 : x
  2. Step 2: Convert to fraction form
    104,128.81/156,199.27 = 29,254.80/x
  3. Step 3: Cross multiply
    104,128.81x = 156,199.27 × 29,254.80
  4. Step 4: Simplify right side
    104,128.81x = 4,569,577,776.95
  5. Step 5: Solve for x
    x = 4,569,577,776.95/104,128.81
  6. Step 6: Final answer
    x = 43,883.89

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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.