Home / 193,312.86-289,823.49-126,769.74

Finding the Fourth Proportional to 193,312.86, 289,823.49 and 126,769.74

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Solution

The fourth proportional to 193,312.86, 289,823.49 and 126,769.74 is: 190,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,312.86 : 289,823.49 = 126,769.74 : x
  2. Step 2: Convert to fraction form
    193,312.86/289,823.49 = 126,769.74/x
  3. Step 3: Cross multiply
    193,312.86x = 289,823.49 × 126,769.74
  4. Step 4: Simplify right side
    193,312.86x = 36,740,848,473.19
  5. Step 5: Solve for x
    x = 36,740,848,473.19/193,312.86
  6. Step 6: Final answer
    x = 190,059.00

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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.