Home / 293,947.17-405,733.42-191,988.21

Finding the Fourth Proportional to 293,947.17, 405,733.42 and 191,988.21

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Solution

The fourth proportional to 293,947.17, 405,733.42 and 191,988.21 is: 265,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,947.17 : 405,733.42 = 191,988.21 : x
  2. Step 2: Convert to fraction form
    293,947.17/405,733.42 = 191,988.21/x
  3. Step 3: Cross multiply
    293,947.17x = 405,733.42 × 191,988.21
  4. Step 4: Simplify right side
    293,947.17x = 77,896,033,042.98
  5. Step 5: Solve for x
    x = 77,896,033,042.98/293,947.17
  6. Step 6: Final answer
    x = 265,000.11

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1.5x scale

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.