Home / 414,250.13-621,178.86-144,284.12

Finding the Fourth Proportional to 414,250.13, 621,178.86 and 144,284.12

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Solution

The fourth proportional to 414,250.13, 621,178.86 and 144,284.12 is: 216,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,250.13 : 621,178.86 = 144,284.12 : x
  2. Step 2: Convert to fraction form
    414,250.13/621,178.86 = 144,284.12/x
  3. Step 3: Cross multiply
    414,250.13x = 621,178.86 × 144,284.12
  4. Step 4: Simplify right side
    414,250.13x = 89,626,242,071.81
  5. Step 5: Solve for x
    x = 89,626,242,071.81/414,250.13
  6. Step 6: Final answer
    x = 216,357.79

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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.