Home / 136,290.36-204,421.15-36,460.63

Finding the Fourth Proportional to 136,290.36, 204,421.15 and 36,460.63

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Solution

The fourth proportional to 136,290.36, 204,421.15 and 36,460.63 is: 54,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,290.36 : 204,421.15 = 36,460.63 : x
  2. Step 2: Convert to fraction form
    136,290.36/204,421.15 = 36,460.63/x
  3. Step 3: Cross multiply
    136,290.36x = 204,421.15 × 36,460.63
  4. Step 4: Simplify right side
    136,290.36x = 7,453,323,914.32
  5. Step 5: Solve for x
    x = 7,453,323,914.32/136,290.36
  6. Step 6: Final answer
    x = 54,687.10

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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.