Home / 170,218.61-234,682.11-139,477.39

Finding the Fourth Proportional to 170,218.61, 234,682.11 and 139,477.39

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Solution

The fourth proportional to 170,218.61, 234,682.11 and 139,477.39 is: 192,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,218.61 : 234,682.11 = 139,477.39 : x
  2. Step 2: Convert to fraction form
    170,218.61/234,682.11 = 139,477.39/x
  3. Step 3: Cross multiply
    170,218.61x = 234,682.11 × 139,477.39
  4. Step 4: Simplify right side
    170,218.61x = 32,732,848,915.87
  5. Step 5: Solve for x
    x = 32,732,848,915.87/170,218.61
  6. Step 6: Final answer
    x = 192,298.88

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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.