Home / 170,840.52-235,376.28-119,109.60

Finding the Fourth Proportional to 170,840.52, 235,376.28 and 119,109.60

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Solution

The fourth proportional to 170,840.52, 235,376.28 and 119,109.60 is: 164,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,840.52 : 235,376.28 = 119,109.60 : x
  2. Step 2: Convert to fraction form
    170,840.52/235,376.28 = 119,109.60/x
  3. Step 3: Cross multiply
    170,840.52x = 235,376.28 × 119,109.60
  4. Step 4: Simplify right side
    170,840.52x = 28,035,574,560.29
  5. Step 5: Solve for x
    x = 28,035,574,560.29/170,840.52
  6. Step 6: Final answer
    x = 164,103.78

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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.