Home / 219,795.45-302,774.81-187,424.75

Finding the Fourth Proportional to 219,795.45, 302,774.81 and 187,424.75

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Solution

The fourth proportional to 219,795.45, 302,774.81 and 187,424.75 is: 258,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,795.45 : 302,774.81 = 187,424.75 : x
  2. Step 2: Convert to fraction form
    219,795.45/302,774.81 = 187,424.75/x
  3. Step 3: Cross multiply
    219,795.45x = 302,774.81 × 187,424.75
  4. Step 4: Simplify right side
    219,795.45x = 56,747,490,619.55
  5. Step 5: Solve for x
    x = 56,747,490,619.55/219,795.45
  6. Step 6: Final answer
    x = 258,183.19

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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.