Home / 190,567.52-262,979.12-105,682.80

Finding the Fourth Proportional to 190,567.52, 262,979.12 and 105,682.80

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Solution

The fourth proportional to 190,567.52, 262,979.12 and 105,682.80 is: 145,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,567.52 : 262,979.12 = 105,682.80 : x
  2. Step 2: Convert to fraction form
    190,567.52/262,979.12 = 105,682.80/x
  3. Step 3: Cross multiply
    190,567.52x = 262,979.12 × 105,682.80
  4. Step 4: Simplify right side
    190,567.52x = 27,792,369,743.14
  5. Step 5: Solve for x
    x = 27,792,369,743.14/190,567.52
  6. Step 6: Final answer
    x = 145,840.01

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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.