Home / 354,548.51-531,827.37-117,891.18

Finding the Fourth Proportional to 354,548.51, 531,827.37 and 117,891.18

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Solution

The fourth proportional to 354,548.51, 531,827.37 and 117,891.18 is: 176,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,548.51 : 531,827.37 = 117,891.18 : x
  2. Step 2: Convert to fraction form
    354,548.51/531,827.37 = 117,891.18/x
  3. Step 3: Cross multiply
    354,548.51x = 531,827.37 × 117,891.18
  4. Step 4: Simplify right side
    354,548.51x = 62,697,756,205.60
  5. Step 5: Solve for x
    x = 62,697,756,205.60/354,548.51
  6. Step 6: Final answer
    x = 176,838.30

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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.