Home / 211,654.08-317,688.48-100,923.84

Finding the Fourth Proportional to 211,654.08, 317,688.48 and 100,923.84

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Solution

The fourth proportional to 211,654.08, 317,688.48 and 100,923.84 is: 151,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,654.08 : 317,688.48 = 100,923.84 : x
  2. Step 2: Convert to fraction form
    211,654.08/317,688.48 = 100,923.84/x
  3. Step 3: Cross multiply
    211,654.08x = 317,688.48 × 100,923.84
  4. Step 4: Simplify right side
    211,654.08x = 32,062,341,325.36
  5. Step 5: Solve for x
    x = 32,062,341,325.36/211,654.08
  6. Step 6: Final answer
    x = 151,484.64

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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.