Home / 336,981.79-505,303.66-112,263.22

Finding the Fourth Proportional to 336,981.79, 505,303.66 and 112,263.22

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Solution

The fourth proportional to 336,981.79, 505,303.66 and 112,263.22 is: 168,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,981.79 : 505,303.66 = 112,263.22 : x
  2. Step 2: Convert to fraction form
    336,981.79/505,303.66 = 112,263.22/x
  3. Step 3: Cross multiply
    336,981.79x = 505,303.66 × 112,263.22
  4. Step 4: Simplify right side
    336,981.79x = 56,727,015,949.39
  5. Step 5: Solve for x
    x = 56,727,015,949.39/336,981.79
  6. Step 6: Final answer
    x = 168,338.52

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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.