Home / 189,199.52-261,097.10-104,319.60

Finding the Fourth Proportional to 189,199.52, 261,097.10 and 104,319.60

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Solution

The fourth proportional to 189,199.52, 261,097.10 and 104,319.60 is: 143,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,199.52 : 261,097.10 = 104,319.60 : x
  2. Step 2: Convert to fraction form
    189,199.52/261,097.10 = 104,319.60/x
  3. Step 3: Cross multiply
    189,199.52x = 261,097.10 × 104,319.60
  4. Step 4: Simplify right side
    189,199.52x = 27,237,545,033.16
  5. Step 5: Solve for x
    x = 27,237,545,033.16/189,199.52
  6. Step 6: Final answer
    x = 143,962.02

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1.5x scale

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.