Home / 114,732.80-158,287.02-84,589.76

Finding the Fourth Proportional to 114,732.80, 158,287.02 and 84,589.76

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Solution

The fourth proportional to 114,732.80, 158,287.02 and 84,589.76 is: 116,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,732.80 : 158,287.02 = 84,589.76 : x
  2. Step 2: Convert to fraction form
    114,732.80/158,287.02 = 84,589.76/x
  3. Step 3: Cross multiply
    114,732.80x = 158,287.02 × 84,589.76
  4. Step 4: Simplify right side
    114,732.80x = 13,389,461,032.92
  5. Step 5: Solve for x
    x = 13,389,461,032.92/114,732.80
  6. Step 6: Final answer
    x = 116,701.25

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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.