Home / 140,156.10-210,234.15-115,552.35

Finding the Fourth Proportional to 140,156.10, 210,234.15 and 115,552.35

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Solution

The fourth proportional to 140,156.10, 210,234.15 and 115,552.35 is: 173,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,156.10 : 210,234.15 = 115,552.35 : x
  2. Step 2: Convert to fraction form
    140,156.10/210,234.15 = 115,552.35/x
  3. Step 3: Cross multiply
    140,156.10x = 210,234.15 × 115,552.35
  4. Step 4: Simplify right side
    140,156.10x = 24,293,050,082.75
  5. Step 5: Solve for x
    x = 24,293,050,082.75/140,156.10
  6. Step 6: Final answer
    x = 173,328.53

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1.5x scale

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.