Home / 190,883.56-286,198.98-91,059.16

Finding the Fourth Proportional to 190,883.56, 286,198.98 and 91,059.16

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Solution

The fourth proportional to 190,883.56, 286,198.98 and 91,059.16 is: 136,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,883.56 : 286,198.98 = 91,059.16 : x
  2. Step 2: Convert to fraction form
    190,883.56/286,198.98 = 91,059.16/x
  3. Step 3: Cross multiply
    190,883.56x = 286,198.98 × 91,059.16
  4. Step 4: Simplify right side
    190,883.56x = 26,061,038,711.66
  5. Step 5: Solve for x
    x = 26,061,038,711.66/190,883.56
  6. Step 6: Final answer
    x = 136,528.46

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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.