Home / 194,008.90-290,824.71-92,780.74

Finding the Fourth Proportional to 194,008.90, 290,824.71 and 92,780.74

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Solution

The fourth proportional to 194,008.90, 290,824.71 and 92,780.74 is: 139,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,008.90 : 290,824.71 = 92,780.74 : x
  2. Step 2: Convert to fraction form
    194,008.90/290,824.71 = 92,780.74/x
  3. Step 3: Cross multiply
    194,008.90x = 290,824.71 × 92,780.74
  4. Step 4: Simplify right side
    194,008.90x = 26,982,931,804.09
  5. Step 5: Solve for x
    x = 26,982,931,804.09/194,008.90
  6. Step 6: Final answer
    x = 139,080.90

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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.