Home / 190,573.10-263,007.03-105,717.50

Finding the Fourth Proportional to 190,573.10, 263,007.03 and 105,717.50

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Solution

The fourth proportional to 190,573.10, 263,007.03 and 105,717.50 is: 145,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,573.10 : 263,007.03 = 105,717.50 : x
  2. Step 2: Convert to fraction form
    190,573.10/263,007.03 = 105,717.50/x
  3. Step 3: Cross multiply
    190,573.10x = 263,007.03 × 105,717.50
  4. Step 4: Simplify right side
    190,573.10x = 27,804,445,694.03
  5. Step 5: Solve for x
    x = 27,804,445,694.03/190,573.10
  6. Step 6: Final answer
    x = 145,899.11

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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.