Home / 231,189.81-346,784.70-64,977.81

Finding the Fourth Proportional to 231,189.81, 346,784.70 and 64,977.81

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Solution

The fourth proportional to 231,189.81, 346,784.70 and 64,977.81 is: 97,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,189.81 : 346,784.70 = 64,977.81 : x
  2. Step 2: Convert to fraction form
    231,189.81/346,784.70 = 64,977.81/x
  3. Step 3: Cross multiply
    231,189.81x = 346,784.70 × 64,977.81
  4. Step 4: Simplify right side
    231,189.81x = 22,533,310,347.51
  5. Step 5: Solve for x
    x = 22,533,310,347.51/231,189.81
  6. Step 6: Final answer
    x = 97,466.71

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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.