Home / 152,942.60-211,023.86-89,244.04

Finding the Fourth Proportional to 152,942.60, 211,023.86 and 89,244.04

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Solution

The fourth proportional to 152,942.60, 211,023.86 and 89,244.04 is: 123,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,942.60 : 211,023.86 = 89,244.04 : x
  2. Step 2: Convert to fraction form
    152,942.60/211,023.86 = 89,244.04/x
  3. Step 3: Cross multiply
    152,942.60x = 211,023.86 × 89,244.04
  4. Step 4: Simplify right side
    152,942.60x = 18,832,621,802.79
  5. Step 5: Solve for x
    x = 18,832,621,802.79/152,942.60
  6. Step 6: Final answer
    x = 123,135.23

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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.