Home / 190,761.37-286,139.13-64,490.31

Finding the Fourth Proportional to 190,761.37, 286,139.13 and 64,490.31

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Solution

The fourth proportional to 190,761.37, 286,139.13 and 64,490.31 is: 96,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,761.37 : 286,139.13 = 64,490.31 : x
  2. Step 2: Convert to fraction form
    190,761.37/286,139.13 = 64,490.31/x
  3. Step 3: Cross multiply
    190,761.37x = 286,139.13 × 64,490.31
  4. Step 4: Simplify right side
    190,761.37x = 18,453,200,954.99
  5. Step 5: Solve for x
    x = 18,453,200,954.99/190,761.37
  6. Step 6: Final answer
    x = 96,734.48

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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.