Home / 316,753.20-437,119.50-173,518.38

Finding the Fourth Proportional to 316,753.20, 437,119.50 and 173,518.38

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Solution

The fourth proportional to 316,753.20, 437,119.50 and 173,518.38 is: 239,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,753.20 : 437,119.50 = 173,518.38 : x
  2. Step 2: Convert to fraction form
    316,753.20/437,119.50 = 173,518.38/x
  3. Step 3: Cross multiply
    316,753.20x = 437,119.50 × 173,518.38
  4. Step 4: Simplify right side
    316,753.20x = 75,848,267,506.41
  5. Step 5: Solve for x
    x = 75,848,267,506.41/316,753.20
  6. Step 6: Final answer
    x = 239,455.41

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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.