Home / 168,740.10-253,148.55-98,583.30

Finding the Fourth Proportional to 168,740.10, 253,148.55 and 98,583.30

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Solution

The fourth proportional to 168,740.10, 253,148.55 and 98,583.30 is: 147,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740.10 : 253,148.55 = 98,583.30 : x
  2. Step 2: Convert to fraction form
    168,740.10/253,148.55 = 98,583.30/x
  3. Step 3: Cross multiply
    168,740.10x = 253,148.55 × 98,583.30
  4. Step 4: Simplify right side
    168,740.10x = 24,956,219,449.22
  5. Step 5: Solve for x
    x = 24,956,219,449.22/168,740.10
  6. Step 6: Final answer
    x = 147,897.38

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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.