Home / 190,631.36-263,061.60-105,746.60

Finding the Fourth Proportional to 190,631.36, 263,061.60 and 105,746.60

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Solution

The fourth proportional to 190,631.36, 263,061.60 and 105,746.60 is: 145,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,631.36 : 263,061.60 = 105,746.60 : x
  2. Step 2: Convert to fraction form
    190,631.36/263,061.60 = 105,746.60/x
  3. Step 3: Cross multiply
    190,631.36x = 263,061.60 × 105,746.60
  4. Step 4: Simplify right side
    190,631.36x = 27,817,869,790.56
  5. Step 5: Solve for x
    x = 27,817,869,790.56/190,631.36
  6. Step 6: Final answer
    x = 145,924.94

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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.