Home / 136,141.35-204,218.72-36,302.45

Finding the Fourth Proportional to 136,141.35, 204,218.72 and 36,302.45

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Solution

The fourth proportional to 136,141.35, 204,218.72 and 36,302.45 is: 54,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,141.35 : 204,218.72 = 36,302.45 : x
  2. Step 2: Convert to fraction form
    136,141.35/204,218.72 = 36,302.45/x
  3. Step 3: Cross multiply
    136,141.35x = 204,218.72 × 36,302.45
  4. Step 4: Simplify right side
    136,141.35x = 7,413,638,669.26
  5. Step 5: Solve for x
    x = 7,413,638,669.26/136,141.35
  6. Step 6: Final answer
    x = 54,455.45

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1.5x scale

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.