Home / 286,795.56-395,754.21-168,903.72

Finding the Fourth Proportional to 286,795.56, 395,754.21 and 168,903.72

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Solution

The fourth proportional to 286,795.56, 395,754.21 and 168,903.72 is: 233,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,795.56 : 395,754.21 = 168,903.72 : x
  2. Step 2: Convert to fraction form
    286,795.56/395,754.21 = 168,903.72/x
  3. Step 3: Cross multiply
    286,795.56x = 395,754.21 × 168,903.72
  4. Step 4: Simplify right side
    286,795.56x = 66,844,358,274.66
  5. Step 5: Solve for x
    x = 66,844,358,274.66/286,795.56
  6. Step 6: Final answer
    x = 233,073.20

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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.