Home / 135,442.48-186,817.75-92,927.20

Finding the Fourth Proportional to 135,442.48, 186,817.75 and 92,927.20

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Solution

The fourth proportional to 135,442.48, 186,817.75 and 92,927.20 is: 128,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,442.48 : 186,817.75 = 92,927.20 : x
  2. Step 2: Convert to fraction form
    135,442.48/186,817.75 = 92,927.20/x
  3. Step 3: Cross multiply
    135,442.48x = 186,817.75 × 92,927.20
  4. Step 4: Simplify right side
    135,442.48x = 17,360,450,417.80
  5. Step 5: Solve for x
    x = 17,360,450,417.80/135,442.48
  6. Step 6: Final answer
    x = 128,175.82

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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.