Home / 126,915.64-175,144.62-70,327.96

Finding the Fourth Proportional to 126,915.64, 175,144.62 and 70,327.96

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Solution

The fourth proportional to 126,915.64, 175,144.62 and 70,327.96 is: 97,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,915.64 : 175,144.62 = 70,327.96 : x
  2. Step 2: Convert to fraction form
    126,915.64/175,144.62 = 70,327.96/x
  3. Step 3: Cross multiply
    126,915.64x = 175,144.62 × 70,327.96
  4. Step 4: Simplify right side
    126,915.64x = 12,317,563,829.58
  5. Step 5: Solve for x
    x = 12,317,563,829.58/126,915.64
  6. Step 6: Final answer
    x = 97,053.16

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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.