Home / 160,559.06-240,988.05-81,732.29

Finding the Fourth Proportional to 160,559.06, 240,988.05 and 81,732.29

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Solution

The fourth proportional to 160,559.06, 240,988.05 and 81,732.29 is: 122,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,559.06 : 240,988.05 = 81,732.29 : x
  2. Step 2: Convert to fraction form
    160,559.06/240,988.05 = 81,732.29/x
  3. Step 3: Cross multiply
    160,559.06x = 240,988.05 × 81,732.29
  4. Step 4: Simplify right side
    160,559.06x = 19,696,503,984.19
  5. Step 5: Solve for x
    x = 19,696,503,984.19/160,559.06
  6. Step 6: Final answer
    x = 122,674.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.