Home / 351,479.22-527,109.80-126,810.46

Finding the Fourth Proportional to 351,479.22, 527,109.80 and 126,810.46

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Solution

The fourth proportional to 351,479.22, 527,109.80 and 126,810.46 is: 190,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,479.22 : 527,109.80 = 126,810.46 : x
  2. Step 2: Convert to fraction form
    351,479.22/527,109.80 = 126,810.46/x
  3. Step 3: Cross multiply
    351,479.22x = 527,109.80 × 126,810.46
  4. Step 4: Simplify right side
    351,479.22x = 66,843,036,208.51
  5. Step 5: Solve for x
    x = 66,843,036,208.51/351,479.22
  6. Step 6: Final answer
    x = 190,176.35

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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.