Home / 245,337.40-338,567.48-136,443.26

Finding the Fourth Proportional to 245,337.40, 338,567.48 and 136,443.26

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Solution

The fourth proportional to 245,337.40, 338,567.48 and 136,443.26 is: 188,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,337.40 : 338,567.48 = 136,443.26 : x
  2. Step 2: Convert to fraction form
    245,337.40/338,567.48 = 136,443.26/x
  3. Step 3: Cross multiply
    245,337.40x = 338,567.48 × 136,443.26
  4. Step 4: Simplify right side
    245,337.40x = 46,195,251,377.05
  5. Step 5: Solve for x
    x = 46,195,251,377.05/245,337.40
  6. Step 6: Final answer
    x = 188,292.74

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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.