Home / 190,228.26-262,520.70-105,343.50

Finding the Fourth Proportional to 190,228.26, 262,520.70 and 105,343.50

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Solution

The fourth proportional to 190,228.26, 262,520.70 and 105,343.50 is: 145,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,228.26 : 262,520.70 = 105,343.50 : x
  2. Step 2: Convert to fraction form
    190,228.26/262,520.70 = 105,343.50/x
  3. Step 3: Cross multiply
    190,228.26x = 262,520.70 × 105,343.50
  4. Step 4: Simplify right side
    190,228.26x = 27,654,849,360.45
  5. Step 5: Solve for x
    x = 27,654,849,360.45/190,228.26
  6. Step 6: Final answer
    x = 145,377.19

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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.