Home / 219,048.75-302,320.08-134,215.02

Finding the Fourth Proportional to 219,048.75, 302,320.08 and 134,215.02

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Solution

The fourth proportional to 219,048.75, 302,320.08 and 134,215.02 is: 185,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,048.75 : 302,320.08 = 134,215.02 : x
  2. Step 2: Convert to fraction form
    219,048.75/302,320.08 = 134,215.02/x
  3. Step 3: Cross multiply
    219,048.75x = 302,320.08 × 134,215.02
  4. Step 4: Simplify right side
    219,048.75x = 40,575,895,583.60
  5. Step 5: Solve for x
    x = 40,575,895,583.60/219,048.75
  6. Step 6: Final answer
    x = 185,236.83

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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.