Home / 190,443.52-262,801.80-109,866.16

Finding the Fourth Proportional to 190,443.52, 262,801.80 and 109,866.16

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Solution

The fourth proportional to 190,443.52, 262,801.80 and 109,866.16 is: 151,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,443.52 : 262,801.80 = 109,866.16 : x
  2. Step 2: Convert to fraction form
    190,443.52/262,801.80 = 109,866.16/x
  3. Step 3: Cross multiply
    190,443.52x = 262,801.80 × 109,866.16
  4. Step 4: Simplify right side
    190,443.52x = 28,873,024,607.09
  5. Step 5: Solve for x
    x = 28,873,024,607.09/190,443.52
  6. Step 6: Final answer
    x = 151,609.38

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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.