Home / 191,053.82-286,309.16-140,738.24

Finding the Fourth Proportional to 191,053.82, 286,309.16 and 140,738.24

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Solution

The fourth proportional to 191,053.82, 286,309.16 and 140,738.24 is: 210,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,053.82 : 286,309.16 = 140,738.24 : x
  2. Step 2: Convert to fraction form
    191,053.82/286,309.16 = 140,738.24/x
  3. Step 3: Cross multiply
    191,053.82x = 286,309.16 × 140,738.24
  4. Step 4: Simplify right side
    191,053.82x = 40,294,645,139.04
  5. Step 5: Solve for x
    x = 40,294,645,139.04/191,053.82
  6. Step 6: Final answer
    x = 210,907.30

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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.