Home / 219,509.06-328,751.66-186,111.14

Finding the Fourth Proportional to 219,509.06, 328,751.66 and 186,111.14

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Solution

The fourth proportional to 219,509.06, 328,751.66 and 186,111.14 is: 278,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,509.06 : 328,751.66 = 186,111.14 : x
  2. Step 2: Convert to fraction form
    219,509.06/328,751.66 = 186,111.14/x
  3. Step 3: Cross multiply
    219,509.06x = 328,751.66 × 186,111.14
  4. Step 4: Simplify right side
    219,509.06x = 61,184,346,219.49
  5. Step 5: Solve for x
    x = 61,184,346,219.49/219,509.06
  6. Step 6: Final answer
    x = 278,732.67

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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.