Home / 448,432.96-672,630-111,466.48

Finding the Fourth Proportional to 448,432.96, 672,630 and 111,466.48

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Solution

The fourth proportional to 448,432.96, 672,630 and 111,466.48 is: 167,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,432.96 : 672,630 = 111,466.48 : x
  2. Step 2: Convert to fraction form
    448,432.96/672,630 = 111,466.48/x
  3. Step 3: Cross multiply
    448,432.96x = 672,630 × 111,466.48
  4. Step 4: Simplify right side
    448,432.96x = 74,975,698,442.40
  5. Step 5: Solve for x
    x = 74,975,698,442.40/448,432.96
  6. Step 6: Final answer
    x = 167,194.89

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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.