Home / 132,569.58-198,848.82-90,344.16

Finding the Fourth Proportional to 132,569.58, 198,848.82 and 90,344.16

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Solution

The fourth proportional to 132,569.58, 198,848.82 and 90,344.16 is: 135,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,569.58 : 198,848.82 = 90,344.16 : x
  2. Step 2: Convert to fraction form
    132,569.58/198,848.82 = 90,344.16/x
  3. Step 3: Cross multiply
    132,569.58x = 198,848.82 × 90,344.16
  4. Step 4: Simplify right side
    132,569.58x = 17,964,829,609.89
  5. Step 5: Solve for x
    x = 17,964,829,609.89/132,569.58
  6. Step 6: Final answer
    x = 135,512.46

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1.5x scale

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.