Home / 191,338.68-286,821.94-91,473

Finding the Fourth Proportional to 191,338.68, 286,821.94 and 91,473

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Solution

The fourth proportional to 191,338.68, 286,821.94 and 91,473 is: 137,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,338.68 : 286,821.94 = 91,473 : x
  2. Step 2: Convert to fraction form
    191,338.68/286,821.94 = 91,473/x
  3. Step 3: Cross multiply
    191,338.68x = 286,821.94 × 91,473
  4. Step 4: Simplify right side
    191,338.68x = 26,236,463,317.62
  5. Step 5: Solve for x
    x = 26,236,463,317.62/191,338.68
  6. Step 6: Final answer
    x = 137,120.54

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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.