Home / 190,331.13-262,665.56-105,448.19

Finding the Fourth Proportional to 190,331.13, 262,665.56 and 105,448.19

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Solution

The fourth proportional to 190,331.13, 262,665.56 and 105,448.19 is: 145,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,331.13 : 262,665.56 = 105,448.19 : x
  2. Step 2: Convert to fraction form
    190,331.13/262,665.56 = 105,448.19/x
  3. Step 3: Cross multiply
    190,331.13x = 262,665.56 × 105,448.19
  4. Step 4: Simplify right side
    190,331.13x = 27,697,607,877.34
  5. Step 5: Solve for x
    x = 27,697,607,877.34/190,331.13
  6. Step 6: Final answer
    x = 145,523.27

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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.