Home / 132,546.43-182,908.62-72,117.32

Finding the Fourth Proportional to 132,546.43, 182,908.62 and 72,117.32

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Solution

The fourth proportional to 132,546.43, 182,908.62 and 72,117.32 is: 99,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,546.43 : 182,908.62 = 72,117.32 : x
  2. Step 2: Convert to fraction form
    132,546.43/182,908.62 = 72,117.32/x
  3. Step 3: Cross multiply
    132,546.43x = 182,908.62 × 72,117.32
  4. Step 4: Simplify right side
    132,546.43x = 13,190,879,479.30
  5. Step 5: Solve for x
    x = 13,190,879,479.30/132,546.43
  6. Step 6: Final answer
    x = 99,518.93

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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.