Home / 151,678.44-209,306.84-83,695.95

Finding the Fourth Proportional to 151,678.44, 209,306.84 and 83,695.95

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Solution

The fourth proportional to 151,678.44, 209,306.84 and 83,695.95 is: 115,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,678.44 : 209,306.84 = 83,695.95 : x
  2. Step 2: Convert to fraction form
    151,678.44/209,306.84 = 83,695.95/x
  3. Step 3: Cross multiply
    151,678.44x = 209,306.84 × 83,695.95
  4. Step 4: Simplify right side
    151,678.44x = 17,518,134,396.82
  5. Step 5: Solve for x
    x = 17,518,134,396.82/151,678.44
  6. Step 6: Final answer
    x = 115,495.22

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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.