Home / 136,514.03-204,333.64-73,178.51

Finding the Fourth Proportional to 136,514.03, 204,333.64 and 73,178.51

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Solution

The fourth proportional to 136,514.03, 204,333.64 and 73,178.51 is: 109,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,514.03 : 204,333.64 = 73,178.51 : x
  2. Step 2: Convert to fraction form
    136,514.03/204,333.64 = 73,178.51/x
  3. Step 3: Cross multiply
    136,514.03x = 204,333.64 × 73,178.51
  4. Step 4: Simplify right side
    136,514.03x = 14,952,830,113.46
  5. Step 5: Solve for x
    x = 14,952,830,113.46/136,514.03
  6. Step 6: Final answer
    x = 109,533.29

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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.