Home / 219,762.12-303,272.10-119,160.12

Finding the Fourth Proportional to 219,762.12, 303,272.10 and 119,160.12

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Solution

The fourth proportional to 219,762.12, 303,272.10 and 119,160.12 is: 164,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,762.12 : 303,272.10 = 119,160.12 : x
  2. Step 2: Convert to fraction form
    219,762.12/303,272.10 = 119,160.12/x
  3. Step 3: Cross multiply
    219,762.12x = 303,272.10 × 119,160.12
  4. Step 4: Simplify right side
    219,762.12x = 36,137,939,828.65
  5. Step 5: Solve for x
    x = 36,137,939,828.65/219,762.12
  6. Step 6: Final answer
    x = 164,441.17

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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.