Home / 178,074.72-245,909.88-114,523.20

Finding the Fourth Proportional to 178,074.72, 245,909.88 and 114,523.20

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Solution

The fourth proportional to 178,074.72, 245,909.88 and 114,523.20 is: 158,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,074.72 : 245,909.88 = 114,523.20 : x
  2. Step 2: Convert to fraction form
    178,074.72/245,909.88 = 114,523.20/x
  3. Step 3: Cross multiply
    178,074.72x = 245,909.88 × 114,523.20
  4. Step 4: Simplify right side
    178,074.72x = 28,162,386,369.22
  5. Step 5: Solve for x
    x = 28,162,386,369.22/178,074.72
  6. Step 6: Final answer
    x = 158,149.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.