Home / 190,411.03-262,767.21-105,533.56

Finding the Fourth Proportional to 190,411.03, 262,767.21 and 105,533.56

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Solution

The fourth proportional to 190,411.03, 262,767.21 and 105,533.56 is: 145,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,411.03 : 262,767.21 = 105,533.56 : x
  2. Step 2: Convert to fraction form
    190,411.03/262,767.21 = 105,533.56/x
  3. Step 3: Cross multiply
    190,411.03x = 262,767.21 × 105,533.56
  4. Step 4: Simplify right side
    190,411.03x = 27,730,757,808.73
  5. Step 5: Solve for x
    x = 27,730,757,808.73/190,411.03
  6. Step 6: Final answer
    x = 145,636.30

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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.