Home / 190,208.23-262,487.17-105,325.29

Finding the Fourth Proportional to 190,208.23, 262,487.17 and 105,325.29

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Solution

The fourth proportional to 190,208.23, 262,487.17 and 105,325.29 is: 145,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.23 : 262,487.17 = 105,325.29 : x
  2. Step 2: Convert to fraction form
    190,208.23/262,487.17 = 105,325.29/x
  3. Step 3: Cross multiply
    190,208.23x = 262,487.17 × 105,325.29
  4. Step 4: Simplify right side
    190,208.23x = 27,646,537,301.53
  5. Step 5: Solve for x
    x = 27,646,537,301.53/190,208.23
  6. Step 6: Final answer
    x = 145,348.80

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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.