Home / 190,185.59-262,464.32-105,302.66

Finding the Fourth Proportional to 190,185.59, 262,464.32 and 105,302.66

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Solution

The fourth proportional to 190,185.59, 262,464.32 and 105,302.66 is: 145,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,185.59 : 262,464.32 = 105,302.66 : x
  2. Step 2: Convert to fraction form
    190,185.59/262,464.32 = 105,302.66/x
  3. Step 3: Cross multiply
    190,185.59x = 262,464.32 × 105,302.66
  4. Step 4: Simplify right side
    190,185.59x = 27,638,191,051.09
  5. Step 5: Solve for x
    x = 27,638,191,051.09/190,185.59
  6. Step 6: Final answer
    x = 145,322.21

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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.