Home / 136,962.24-189,066.10-83,264.42

Finding the Fourth Proportional to 136,962.24, 189,066.10 and 83,264.42

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Solution

The fourth proportional to 136,962.24, 189,066.10 and 83,264.42 is: 114,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,962.24 : 189,066.10 = 83,264.42 : x
  2. Step 2: Convert to fraction form
    136,962.24/189,066.10 = 83,264.42/x
  3. Step 3: Cross multiply
    136,962.24x = 189,066.10 × 83,264.42
  4. Step 4: Simplify right side
    136,962.24x = 15,742,479,158.16
  5. Step 5: Solve for x
    x = 15,742,479,158.16/136,962.24
  6. Step 6: Final answer
    x = 114,940.29

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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.