Home / 260,555.10-390,832.65-246,039.90

Finding the Fourth Proportional to 260,555.10, 390,832.65 and 246,039.90

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Solution

The fourth proportional to 260,555.10, 390,832.65 and 246,039.90 is: 369,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,555.10 : 390,832.65 = 246,039.90 : x
  2. Step 2: Convert to fraction form
    260,555.10/390,832.65 = 246,039.90/x
  3. Step 3: Cross multiply
    260,555.10x = 390,832.65 × 246,039.90
  4. Step 4: Simplify right side
    260,555.10x = 96,160,426,122.74
  5. Step 5: Solve for x
    x = 96,160,426,122.74/260,555.10
  6. Step 6: Final answer
    x = 369,059.85

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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.