Home / 132,587.37-198,881.07-109,164.60

Finding the Fourth Proportional to 132,587.37, 198,881.07 and 109,164.60

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Solution

The fourth proportional to 132,587.37, 198,881.07 and 109,164.60 is: 163,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,587.37 : 198,881.07 = 109,164.60 : x
  2. Step 2: Convert to fraction form
    132,587.37/198,881.07 = 109,164.60/x
  3. Step 3: Cross multiply
    132,587.37x = 198,881.07 × 109,164.60
  4. Step 4: Simplify right side
    132,587.37x = 21,710,772,454.12
  5. Step 5: Solve for x
    x = 21,710,772,454.12/132,587.37
  6. Step 6: Final answer
    x = 163,746.91

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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.