Home / 190,185.84-262,464.66-105,302.91

Finding the Fourth Proportional to 190,185.84, 262,464.66 and 105,302.91

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Solution

The fourth proportional to 190,185.84, 262,464.66 and 105,302.91 is: 145,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,185.84 : 262,464.66 = 105,302.91 : x
  2. Step 2: Convert to fraction form
    190,185.84/262,464.66 = 105,302.91/x
  3. Step 3: Cross multiply
    190,185.84x = 262,464.66 × 105,302.91
  4. Step 4: Simplify right side
    190,185.84x = 27,638,292,470.16
  5. Step 5: Solve for x
    x = 27,638,292,470.16/190,185.84
  6. Step 6: Final answer
    x = 145,322.56

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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.