Home / 336,742.90-505,094.51-126,363.06

Finding the Fourth Proportional to 336,742.90, 505,094.51 and 126,363.06

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Solution

The fourth proportional to 336,742.90, 505,094.51 and 126,363.06 is: 189,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,742.90 : 505,094.51 = 126,363.06 : x
  2. Step 2: Convert to fraction form
    336,742.90/505,094.51 = 126,363.06/x
  3. Step 3: Cross multiply
    336,742.90x = 505,094.51 × 126,363.06
  4. Step 4: Simplify right side
    336,742.90x = 63,825,287,872.80
  5. Step 5: Solve for x
    x = 63,825,287,872.80/336,742.90
  6. Step 6: Final answer
    x = 189,537.15

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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.