Home / 190,883.69-286,199.16-91,059.29

Finding the Fourth Proportional to 190,883.69, 286,199.16 and 91,059.29

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Solution

The fourth proportional to 190,883.69, 286,199.16 and 91,059.29 is: 136,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,883.69 : 286,199.16 = 91,059.29 : x
  2. Step 2: Convert to fraction form
    190,883.69/286,199.16 = 91,059.29/x
  3. Step 3: Cross multiply
    190,883.69x = 286,199.16 × 91,059.29
  4. Step 4: Simplify right side
    190,883.69x = 26,061,091,592.70
  5. Step 5: Solve for x
    x = 26,061,091,592.70/190,883.69
  6. Step 6: Final answer
    x = 136,528.65

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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.