Home / 219,318.14-302,656.38-123,828.86

Finding the Fourth Proportional to 219,318.14, 302,656.38 and 123,828.86

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Solution

The fourth proportional to 219,318.14, 302,656.38 and 123,828.86 is: 170,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,318.14 : 302,656.38 = 123,828.86 : x
  2. Step 2: Convert to fraction form
    219,318.14/302,656.38 = 123,828.86/x
  3. Step 3: Cross multiply
    219,318.14x = 302,656.38 × 123,828.86
  4. Step 4: Simplify right side
    219,318.14x = 37,477,594,507.13
  5. Step 5: Solve for x
    x = 37,477,594,507.13/219,318.14
  6. Step 6: Final answer
    x = 170,882.33

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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.