Home / 151,739.52-209,406.24-84,684.48

Finding the Fourth Proportional to 151,739.52, 209,406.24 and 84,684.48

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Solution

The fourth proportional to 151,739.52, 209,406.24 and 84,684.48 is: 116,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,739.52 : 209,406.24 = 84,684.48 : x
  2. Step 2: Convert to fraction form
    151,739.52/209,406.24 = 84,684.48/x
  3. Step 3: Cross multiply
    151,739.52x = 209,406.24 × 84,684.48
  4. Step 4: Simplify right side
    151,739.52x = 17,733,458,543.16
  5. Step 5: Solve for x
    x = 17,733,458,543.16/151,739.52
  6. Step 6: Final answer
    x = 116,867.76

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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.