Home / 190,182.75-262,460.40-105,299.82

Finding the Fourth Proportional to 190,182.75, 262,460.40 and 105,299.82

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Solution

The fourth proportional to 190,182.75, 262,460.40 and 105,299.82 is: 145,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,182.75 : 262,460.40 = 105,299.82 : x
  2. Step 2: Convert to fraction form
    190,182.75/262,460.40 = 105,299.82/x
  3. Step 3: Cross multiply
    190,182.75x = 262,460.40 × 105,299.82
  4. Step 4: Simplify right side
    190,182.75x = 27,637,032,877.13
  5. Step 5: Solve for x
    x = 27,637,032,877.13/190,182.75
  6. Step 6: Final answer
    x = 145,318.29

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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.