Home / 170,385.44-235,171.98-105,903.38

Finding the Fourth Proportional to 170,385.44, 235,171.98 and 105,903.38

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Solution

The fourth proportional to 170,385.44, 235,171.98 and 105,903.38 is: 146,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,385.44 : 235,171.98 = 105,903.38 : x
  2. Step 2: Convert to fraction form
    170,385.44/235,171.98 = 105,903.38/x
  3. Step 3: Cross multiply
    170,385.44x = 235,171.98 × 105,903.38
  4. Step 4: Simplify right side
    170,385.44x = 24,905,506,387.43
  5. Step 5: Solve for x
    x = 24,905,506,387.43/170,385.44
  6. Step 6: Final answer
    x = 146,171.57

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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.