Home / 168,928.80-253,463.84-74,110.08

Finding the Fourth Proportional to 168,928.80, 253,463.84 and 74,110.08

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Solution

The fourth proportional to 168,928.80, 253,463.84 and 74,110.08 is: 111,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,928.80 : 253,463.84 = 74,110.08 : x
  2. Step 2: Convert to fraction form
    168,928.80/253,463.84 = 74,110.08/x
  3. Step 3: Cross multiply
    168,928.80x = 253,463.84 × 74,110.08
  4. Step 4: Simplify right side
    168,928.80x = 18,784,225,459.51
  5. Step 5: Solve for x
    x = 18,784,225,459.51/168,928.80
  6. Step 6: Final answer
    x = 111,196.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.