Home / 190,324.84-262,637.94-105,436.84

Finding the Fourth Proportional to 190,324.84, 262,637.94 and 105,436.84

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Solution

The fourth proportional to 190,324.84, 262,637.94 and 105,436.84 is: 145,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,324.84 : 262,637.94 = 105,436.84 : x
  2. Step 2: Convert to fraction form
    190,324.84/262,637.94 = 105,436.84/x
  3. Step 3: Cross multiply
    190,324.84x = 262,637.94 × 105,436.84
  4. Step 4: Simplify right side
    190,324.84x = 27,691,714,457.71
  5. Step 5: Solve for x
    x = 27,691,714,457.71/190,324.84
  6. Step 6: Final answer
    x = 145,497.11

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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.