Home / 190,460.39-262,817.66-105,570.23

Finding the Fourth Proportional to 190,460.39, 262,817.66 and 105,570.23

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Solution

The fourth proportional to 190,460.39, 262,817.66 and 105,570.23 is: 145,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,460.39 : 262,817.66 = 105,570.23 : x
  2. Step 2: Convert to fraction form
    190,460.39/262,817.66 = 105,570.23/x
  3. Step 3: Cross multiply
    190,460.39x = 262,817.66 × 105,570.23
  4. Step 4: Simplify right side
    190,460.39x = 27,745,719,764.10
  5. Step 5: Solve for x
    x = 27,745,719,764.10/190,460.39
  6. Step 6: Final answer
    x = 145,677.12

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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.