Home / 116,487.09-160,810.38-76,262.49

Finding the Fourth Proportional to 116,487.09, 160,810.38 and 76,262.49

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Solution

The fourth proportional to 116,487.09, 160,810.38 and 76,262.49 is: 105,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,487.09 : 160,810.38 = 76,262.49 : x
  2. Step 2: Convert to fraction form
    116,487.09/160,810.38 = 76,262.49/x
  3. Step 3: Cross multiply
    116,487.09x = 160,810.38 × 76,262.49
  4. Step 4: Simplify right side
    116,487.09x = 12,263,799,996.65
  5. Step 5: Solve for x
    x = 12,263,799,996.65/116,487.09
  6. Step 6: Final answer
    x = 105,280.34

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1.5x scale

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.