Home / 219,276.75-302,609.22-134,377.41

Finding the Fourth Proportional to 219,276.75, 302,609.22 and 134,377.41

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Solution

The fourth proportional to 219,276.75, 302,609.22 and 134,377.41 is: 185,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,276.75 : 302,609.22 = 134,377.41 : x
  2. Step 2: Convert to fraction form
    219,276.75/302,609.22 = 134,377.41/x
  3. Step 3: Cross multiply
    219,276.75x = 302,609.22 × 134,377.41
  4. Step 4: Simplify right side
    219,276.75x = 40,663,843,225.72
  5. Step 5: Solve for x
    x = 40,663,843,225.72/219,276.75
  6. Step 6: Final answer
    x = 185,445.30

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1.5x scale

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.