Home / 192,618.04-265,814.58-107,743

Finding the Fourth Proportional to 192,618.04, 265,814.58 and 107,743

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Solution

The fourth proportional to 192,618.04, 265,814.58 and 107,743 is: 148,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,618.04 : 265,814.58 = 107,743 : x
  2. Step 2: Convert to fraction form
    192,618.04/265,814.58 = 107,743/x
  3. Step 3: Cross multiply
    192,618.04x = 265,814.58 × 107,743
  4. Step 4: Simplify right side
    192,618.04x = 28,639,660,292.94
  5. Step 5: Solve for x
    x = 28,639,660,292.94/192,618.04
  6. Step 6: Final answer
    x = 148,686.28

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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.