Home / 316,106.24-436,226.60-172,866.38

Finding the Fourth Proportional to 316,106.24, 436,226.60 and 172,866.38

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Solution

The fourth proportional to 316,106.24, 436,226.60 and 172,866.38 is: 238,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,106.24 : 436,226.60 = 172,866.38 : x
  2. Step 2: Convert to fraction form
    316,106.24/436,226.60 = 172,866.38/x
  3. Step 3: Cross multiply
    316,106.24x = 436,226.60 × 172,866.38
  4. Step 4: Simplify right side
    316,106.24x = 75,408,912,337.38
  5. Step 5: Solve for x
    x = 75,408,912,337.38/316,106.24
  6. Step 6: Final answer
    x = 238,555.60

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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.