Home / 132,412.64-198,619.04-38,984

Finding the Fourth Proportional to 132,412.64, 198,619.04 and 38,984

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Solution

The fourth proportional to 132,412.64, 198,619.04 and 38,984 is: 58,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,412.64 : 198,619.04 = 38,984 : x
  2. Step 2: Convert to fraction form
    132,412.64/198,619.04 = 38,984/x
  3. Step 3: Cross multiply
    132,412.64x = 198,619.04 × 38,984
  4. Step 4: Simplify right side
    132,412.64x = 7,742,964,655.36
  5. Step 5: Solve for x
    x = 7,742,964,655.36/132,412.64
  6. Step 6: Final answer
    x = 58,476.02

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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.