Home / 161,557.47-242,122.37-123,973.88

Finding the Fourth Proportional to 161,557.47, 242,122.37 and 123,973.88

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Solution

The fourth proportional to 161,557.47, 242,122.37 and 123,973.88 is: 185,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,557.47 : 242,122.37 = 123,973.88 : x
  2. Step 2: Convert to fraction form
    161,557.47/242,122.37 = 123,973.88/x
  3. Step 3: Cross multiply
    161,557.47x = 242,122.37 × 123,973.88
  4. Step 4: Simplify right side
    161,557.47x = 30,016,847,813.21
  5. Step 5: Solve for x
    x = 30,016,847,813.21/161,557.47
  6. Step 6: Final answer
    x = 185,796.72

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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.