Home / 131,245.56-196,894.32-48,140.28

Finding the Fourth Proportional to 131,245.56, 196,894.32 and 48,140.28

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Solution

The fourth proportional to 131,245.56, 196,894.32 and 48,140.28 is: 72,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,245.56 : 196,894.32 = 48,140.28 : x
  2. Step 2: Convert to fraction form
    131,245.56/196,894.32 = 48,140.28/x
  3. Step 3: Cross multiply
    131,245.56x = 196,894.32 × 48,140.28
  4. Step 4: Simplify right side
    131,245.56x = 9,478,547,695.21
  5. Step 5: Solve for x
    x = 9,478,547,695.21/131,245.56
  6. Step 6: Final answer
    x = 72,219.95

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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.