Home / 168,985.76-233,200.55-105,323.50

Finding the Fourth Proportional to 168,985.76, 233,200.55 and 105,323.50

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Solution

The fourth proportional to 168,985.76, 233,200.55 and 105,323.50 is: 145,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,985.76 : 233,200.55 = 105,323.50 : x
  2. Step 2: Convert to fraction form
    168,985.76/233,200.55 = 105,323.50/x
  3. Step 3: Cross multiply
    168,985.76x = 233,200.55 × 105,323.50
  4. Step 4: Simplify right side
    168,985.76x = 24,561,498,127.93
  5. Step 5: Solve for x
    x = 24,561,498,127.93/168,985.76
  6. Step 6: Final answer
    x = 145,346.56

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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.