Home / 286,030.44-394,678.17-171,282.20

Finding the Fourth Proportional to 286,030.44, 394,678.17 and 171,282.20

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Solution

The fourth proportional to 286,030.44, 394,678.17 and 171,282.20 is: 236,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,030.44 : 394,678.17 = 171,282.20 : x
  2. Step 2: Convert to fraction form
    286,030.44/394,678.17 = 171,282.20/x
  3. Step 3: Cross multiply
    286,030.44x = 394,678.17 × 171,282.20
  4. Step 4: Simplify right side
    286,030.44x = 67,601,343,276.18
  5. Step 5: Solve for x
    x = 67,601,343,276.18/286,030.44
  6. Step 6: Final answer
    x = 236,343.18

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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.