Home / 165,913.30-248,906.40-53,574.40

Finding the Fourth Proportional to 165,913.30, 248,906.40 and 53,574.40

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Solution

The fourth proportional to 165,913.30, 248,906.40 and 53,574.40 is: 80,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,913.30 : 248,906.40 = 53,574.40 : x
  2. Step 2: Convert to fraction form
    165,913.30/248,906.40 = 53,574.40/x
  3. Step 3: Cross multiply
    165,913.30x = 248,906.40 × 53,574.40
  4. Step 4: Simplify right side
    165,913.30x = 13,335,011,036.16
  5. Step 5: Solve for x
    x = 13,335,011,036.16/165,913.30
  6. Step 6: Final answer
    x = 80,373.37

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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.