Home / 195,852.91-270,256.66-115,275.63

Finding the Fourth Proportional to 195,852.91, 270,256.66 and 115,275.63

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Solution

The fourth proportional to 195,852.91, 270,256.66 and 115,275.63 is: 159,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,852.91 : 270,256.66 = 115,275.63 : x
  2. Step 2: Convert to fraction form
    195,852.91/270,256.66 = 115,275.63/x
  3. Step 3: Cross multiply
    195,852.91x = 270,256.66 × 115,275.63
  4. Step 4: Simplify right side
    195,852.91x = 31,154,006,743.20
  5. Step 5: Solve for x
    x = 31,154,006,743.20/195,852.91
  6. Step 6: Final answer
    x = 159,068.39

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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.