Home / 294,288.11-406,130.96-173,434.49

Finding the Fourth Proportional to 294,288.11, 406,130.96 and 173,434.49

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Solution

The fourth proportional to 294,288.11, 406,130.96 and 173,434.49 is: 239,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,288.11 : 406,130.96 = 173,434.49 : x
  2. Step 2: Convert to fraction form
    294,288.11/406,130.96 = 173,434.49/x
  3. Step 3: Cross multiply
    294,288.11x = 406,130.96 × 173,434.49
  4. Step 4: Simplify right side
    294,288.11x = 70,437,115,920.81
  5. Step 5: Solve for x
    x = 70,437,115,920.81/294,288.11
  6. Step 6: Final answer
    x = 239,347.47

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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.