Home / 169,913.51-234,422.25-105,359.50

Finding the Fourth Proportional to 169,913.51, 234,422.25 and 105,359.50

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Solution

The fourth proportional to 169,913.51, 234,422.25 and 105,359.50 is: 145,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,913.51 : 234,422.25 = 105,359.50 : x
  2. Step 2: Convert to fraction form
    169,913.51/234,422.25 = 105,359.50/x
  3. Step 3: Cross multiply
    169,913.51x = 234,422.25 × 105,359.50
  4. Step 4: Simplify right side
    169,913.51x = 24,698,611,539.45
  5. Step 5: Solve for x
    x = 24,698,611,539.45/169,913.51
  6. Step 6: Final answer
    x = 145,359.90

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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.