Home / 168,405.12-252,598.10-101,827.40

Finding the Fourth Proportional to 168,405.12, 252,598.10 and 101,827.40

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Solution

The fourth proportional to 168,405.12, 252,598.10 and 101,827.40 is: 152,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,405.12 : 252,598.10 = 101,827.40 : x
  2. Step 2: Convert to fraction form
    168,405.12/252,598.10 = 101,827.40/x
  3. Step 3: Cross multiply
    168,405.12x = 252,598.10 × 101,827.40
  4. Step 4: Simplify right side
    168,405.12x = 25,721,405,995.81
  5. Step 5: Solve for x
    x = 25,721,405,995.81/168,405.12
  6. Step 6: Final answer
    x = 152,735.30

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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.