Home / 191,410.26-287,175.73-90,204.22

Finding the Fourth Proportional to 191,410.26, 287,175.73 and 90,204.22

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Solution

The fourth proportional to 191,410.26, 287,175.73 and 90,204.22 is: 135,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,410.26 : 287,175.73 = 90,204.22 : x
  2. Step 2: Convert to fraction form
    191,410.26/287,175.73 = 90,204.22/x
  3. Step 3: Cross multiply
    191,410.26x = 287,175.73 × 90,204.22
  4. Step 4: Simplify right side
    191,410.26x = 25,904,462,727.58
  5. Step 5: Solve for x
    x = 25,904,462,727.58/191,410.26
  6. Step 6: Final answer
    x = 135,334.77

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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.