Home / 316,050.72-436,141.62-186,995.85

Finding the Fourth Proportional to 316,050.72, 436,141.62 and 186,995.85

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Solution

The fourth proportional to 316,050.72, 436,141.62 and 186,995.85 is: 258,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,050.72 : 436,141.62 = 186,995.85 : x
  2. Step 2: Convert to fraction form
    316,050.72/436,141.62 = 186,995.85/x
  3. Step 3: Cross multiply
    316,050.72x = 436,141.62 × 186,995.85
  4. Step 4: Simplify right side
    316,050.72x = 81,556,672,952.28
  5. Step 5: Solve for x
    x = 81,556,672,952.28/316,050.72
  6. Step 6: Final answer
    x = 258,049.32

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1.5x scale

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.