Home / 189,743.16-261,873.36-114,290.04

Finding the Fourth Proportional to 189,743.16, 261,873.36 and 114,290.04

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Solution

The fourth proportional to 189,743.16, 261,873.36 and 114,290.04 is: 157,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,743.16 : 261,873.36 = 114,290.04 : x
  2. Step 2: Convert to fraction form
    189,743.16/261,873.36 = 114,290.04/x
  3. Step 3: Cross multiply
    189,743.16x = 261,873.36 × 114,290.04
  4. Step 4: Simplify right side
    189,743.16x = 29,929,516,789.33
  5. Step 5: Solve for x
    x = 29,929,516,789.33/189,743.16
  6. Step 6: Final answer
    x = 157,737.00

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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.