Home / 116,510.40-160,699.14-76,159.44

Finding the Fourth Proportional to 116,510.40, 160,699.14 and 76,159.44

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Solution

The fourth proportional to 116,510.40, 160,699.14 and 76,159.44 is: 105,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,510.40 : 160,699.14 = 76,159.44 : x
  2. Step 2: Convert to fraction form
    116,510.40/160,699.14 = 76,159.44/x
  3. Step 3: Cross multiply
    116,510.40x = 160,699.14 × 76,159.44
  4. Step 4: Simplify right side
    116,510.40x = 12,238,756,510.88
  5. Step 5: Solve for x
    x = 12,238,756,510.88/116,510.40
  6. Step 6: Final answer
    x = 105,044.33

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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.