Home / 169,914.51-234,423.63-105,360.50

Finding the Fourth Proportional to 169,914.51, 234,423.63 and 105,360.50

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Solution

The fourth proportional to 169,914.51, 234,423.63 and 105,360.50 is: 145,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,914.51 : 234,423.63 = 105,360.50 : x
  2. Step 2: Convert to fraction form
    169,914.51/234,423.63 = 105,360.50/x
  3. Step 3: Cross multiply
    169,914.51x = 234,423.63 × 105,360.50
  4. Step 4: Simplify right side
    169,914.51x = 24,698,990,868.62
  5. Step 5: Solve for x
    x = 24,698,990,868.62/169,914.51
  6. Step 6: Final answer
    x = 145,361.28

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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.