Home / 190,840.20-286,260.30-91,048.20

Finding the Fourth Proportional to 190,840.20, 286,260.30 and 91,048.20

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Solution

The fourth proportional to 190,840.20, 286,260.30 and 91,048.20 is: 136,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,840.20 : 286,260.30 = 91,048.20 : x
  2. Step 2: Convert to fraction form
    190,840.20/286,260.30 = 91,048.20/x
  3. Step 3: Cross multiply
    190,840.20x = 286,260.30 × 91,048.20
  4. Step 4: Simplify right side
    190,840.20x = 26,063,485,046.46
  5. Step 5: Solve for x
    x = 26,063,485,046.46/190,840.20
  6. Step 6: Final answer
    x = 136,572.30

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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.