Home / 152,943.60-211,025.24-89,245.04

Finding the Fourth Proportional to 152,943.60, 211,025.24 and 89,245.04

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Solution

The fourth proportional to 152,943.60, 211,025.24 and 89,245.04 is: 123,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.60 : 211,025.24 = 89,245.04 : x
  2. Step 2: Convert to fraction form
    152,943.60/211,025.24 = 89,245.04/x
  3. Step 3: Cross multiply
    152,943.60x = 211,025.24 × 89,245.04
  4. Step 4: Simplify right side
    152,943.60x = 18,832,955,984.81
  5. Step 5: Solve for x
    x = 18,832,955,984.81/152,943.60
  6. Step 6: Final answer
    x = 123,136.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.