Home / 152,914.68-211,023.60-89,240.04

Finding the Fourth Proportional to 152,914.68, 211,023.60 and 89,240.04

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Solution

The fourth proportional to 152,914.68, 211,023.60 and 89,240.04 is: 123,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,914.68 : 211,023.60 = 89,240.04 : x
  2. Step 2: Convert to fraction form
    152,914.68/211,023.60 = 89,240.04/x
  3. Step 3: Cross multiply
    152,914.68x = 211,023.60 × 89,240.04
  4. Step 4: Simplify right side
    152,914.68x = 18,831,754,504.94
  5. Step 5: Solve for x
    x = 18,831,754,504.94/152,914.68
  6. Step 6: Final answer
    x = 123,152.04

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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.