Home / 345,869.86-477,296.13-194,966.86

Finding the Fourth Proportional to 345,869.86, 477,296.13 and 194,966.86

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Solution

The fourth proportional to 345,869.86, 477,296.13 and 194,966.86 is: 269,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,869.86 : 477,296.13 = 194,966.86 : x
  2. Step 2: Convert to fraction form
    345,869.86/477,296.13 = 194,966.86/x
  3. Step 3: Cross multiply
    345,869.86x = 477,296.13 × 194,966.86
  4. Step 4: Simplify right side
    345,869.86x = 93,056,927,756.25
  5. Step 5: Solve for x
    x = 93,056,927,756.25/345,869.86
  6. Step 6: Final answer
    x = 269,051.86

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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.