Home / 132,239.16-182,489.40-71,809.28

Finding the Fourth Proportional to 132,239.16, 182,489.40 and 71,809.28

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Solution

The fourth proportional to 132,239.16, 182,489.40 and 71,809.28 is: 99,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,239.16 : 182,489.40 = 71,809.28 : x
  2. Step 2: Convert to fraction form
    132,239.16/182,489.40 = 71,809.28/x
  3. Step 3: Cross multiply
    132,239.16x = 182,489.40 × 71,809.28
  4. Step 4: Simplify right side
    132,239.16x = 13,104,432,421.63
  5. Step 5: Solve for x
    x = 13,104,432,421.63/132,239.16
  6. Step 6: Final answer
    x = 99,096.46

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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.