Home / 346,207.25-477,767.45-187,231.25

Finding the Fourth Proportional to 346,207.25, 477,767.45 and 187,231.25

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Solution

The fourth proportional to 346,207.25, 477,767.45 and 187,231.25 is: 258,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,207.25 : 477,767.45 = 187,231.25 : x
  2. Step 2: Convert to fraction form
    346,207.25/477,767.45 = 187,231.25/x
  3. Step 3: Cross multiply
    346,207.25x = 477,767.45 × 187,231.25
  4. Step 4: Simplify right side
    346,207.25x = 89,452,996,872.81
  5. Step 5: Solve for x
    x = 89,452,996,872.81/346,207.25
  6. Step 6: Final answer
    x = 258,379.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.