Home / 170,421.30-235,198.89-102,460.41

Finding the Fourth Proportional to 170,421.30, 235,198.89 and 102,460.41

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Solution

The fourth proportional to 170,421.30, 235,198.89 and 102,460.41 is: 141,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,421.30 : 235,198.89 = 102,460.41 : x
  2. Step 2: Convert to fraction form
    170,421.30/235,198.89 = 102,460.41/x
  3. Step 3: Cross multiply
    170,421.30x = 235,198.89 × 102,460.41
  4. Step 4: Simplify right side
    170,421.30x = 24,098,574,700.94
  5. Step 5: Solve for x
    x = 24,098,574,700.94/170,421.30
  6. Step 6: Final answer
    x = 141,405.88

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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.