Home / 161,253.52-222,516.08-89,610.64

Finding the Fourth Proportional to 161,253.52, 222,516.08 and 89,610.64

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Solution

The fourth proportional to 161,253.52, 222,516.08 and 89,610.64 is: 123,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,253.52 : 222,516.08 = 89,610.64 : x
  2. Step 2: Convert to fraction form
    161,253.52/222,516.08 = 89,610.64/x
  3. Step 3: Cross multiply
    161,253.52x = 222,516.08 × 89,610.64
  4. Step 4: Simplify right side
    161,253.52x = 19,939,808,339.09
  5. Step 5: Solve for x
    x = 19,939,808,339.09/161,253.52
  6. Step 6: Final answer
    x = 123,655.03

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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.