Home / 126,813.94-175,008.74-70,225.31

Finding the Fourth Proportional to 126,813.94, 175,008.74 and 70,225.31

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Solution

The fourth proportional to 126,813.94, 175,008.74 and 70,225.31 is: 96,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,813.94 : 175,008.74 = 70,225.31 : x
  2. Step 2: Convert to fraction form
    126,813.94/175,008.74 = 70,225.31/x
  3. Step 3: Cross multiply
    126,813.94x = 175,008.74 × 70,225.31
  4. Step 4: Simplify right side
    126,813.94x = 12,290,043,105.60
  5. Step 5: Solve for x
    x = 12,290,043,105.60/126,813.94
  6. Step 6: Final answer
    x = 96,913.98

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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.