Home / 116,287.65-160,497.86-68,538.15

Finding the Fourth Proportional to 116,287.65, 160,497.86 and 68,538.15

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Solution

The fourth proportional to 116,287.65, 160,497.86 and 68,538.15 is: 94,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,287.65 : 160,497.86 = 68,538.15 : x
  2. Step 2: Convert to fraction form
    116,287.65/160,497.86 = 68,538.15/x
  3. Step 3: Cross multiply
    116,287.65x = 160,497.86 × 68,538.15
  4. Step 4: Simplify right side
    116,287.65x = 11,000,226,060.67
  5. Step 5: Solve for x
    x = 11,000,226,060.67/116,287.65
  6. Step 6: Final answer
    x = 94,594.96

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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.