Home / 136,533.48-204,712.74-66,374.52

Finding the Fourth Proportional to 136,533.48, 204,712.74 and 66,374.52

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Solution

The fourth proportional to 136,533.48, 204,712.74 and 66,374.52 is: 99,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,533.48 : 204,712.74 = 66,374.52 : x
  2. Step 2: Convert to fraction form
    136,533.48/204,712.74 = 66,374.52/x
  3. Step 3: Cross multiply
    136,533.48x = 204,712.74 × 66,374.52
  4. Step 4: Simplify right side
    136,533.48x = 13,587,709,855.38
  5. Step 5: Solve for x
    x = 13,587,709,855.38/136,533.48
  6. Step 6: Final answer
    x = 99,519.25

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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.