Home / 168,828.22-253,148.83-69,058.47

Finding the Fourth Proportional to 168,828.22, 253,148.83 and 69,058.47

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Solution

The fourth proportional to 168,828.22, 253,148.83 and 69,058.47 is: 103,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,828.22 : 253,148.83 = 69,058.47 : x
  2. Step 2: Convert to fraction form
    168,828.22/253,148.83 = 69,058.47/x
  3. Step 3: Cross multiply
    168,828.22x = 253,148.83 × 69,058.47
  4. Step 4: Simplify right side
    168,828.22x = 17,482,069,271.05
  5. Step 5: Solve for x
    x = 17,482,069,271.05/168,828.22
  6. Step 6: Final answer
    x = 103,549.45

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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.