Home / 456,853.42-685,435.80-137,013.04

Finding the Fourth Proportional to 456,853.42, 685,435.80 and 137,013.04

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Solution

The fourth proportional to 456,853.42, 685,435.80 and 137,013.04 is: 205,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,853.42 : 685,435.80 = 137,013.04 : x
  2. Step 2: Convert to fraction form
    456,853.42/685,435.80 = 137,013.04/x
  3. Step 3: Cross multiply
    456,853.42x = 685,435.80 × 137,013.04
  4. Step 4: Simplify right side
    456,853.42x = 93,913,642,682.83
  5. Step 5: Solve for x
    x = 93,913,642,682.83/456,853.42
  6. Step 6: Final answer
    x = 205,566.25

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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.