Home / 344,208.40-516,515.64-144,563.92

Finding the Fourth Proportional to 344,208.40, 516,515.64 and 144,563.92

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Solution

The fourth proportional to 344,208.40, 516,515.64 and 144,563.92 is: 216,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,208.40 : 516,515.64 = 144,563.92 : x
  2. Step 2: Convert to fraction form
    344,208.40/516,515.64 = 144,563.92/x
  3. Step 3: Cross multiply
    344,208.40x = 516,515.64 × 144,563.92
  4. Step 4: Simplify right side
    344,208.40x = 74,669,525,659.71
  5. Step 5: Solve for x
    x = 74,669,525,659.71/344,208.40
  6. Step 6: Final answer
    x = 216,931.15

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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.