Home / 210,072.84-289,904.45-114,582.95

Finding the Fourth Proportional to 210,072.84, 289,904.45 and 114,582.95

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Solution

The fourth proportional to 210,072.84, 289,904.45 and 114,582.95 is: 158,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,072.84 : 289,904.45 = 114,582.95 : x
  2. Step 2: Convert to fraction form
    210,072.84/289,904.45 = 114,582.95/x
  3. Step 3: Cross multiply
    210,072.84x = 289,904.45 × 114,582.95
  4. Step 4: Simplify right side
    210,072.84x = 33,218,107,023.20
  5. Step 5: Solve for x
    x = 33,218,107,023.20/210,072.84
  6. Step 6: Final answer
    x = 158,126.62

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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.