Home / 126,840.53-175,030.30-70,250.69

Finding the Fourth Proportional to 126,840.53, 175,030.30 and 70,250.69

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Solution

The fourth proportional to 126,840.53, 175,030.30 and 70,250.69 is: 96,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,840.53 : 175,030.30 = 70,250.69 : x
  2. Step 2: Convert to fraction form
    126,840.53/175,030.30 = 70,250.69/x
  3. Step 3: Cross multiply
    126,840.53x = 175,030.30 × 70,250.69
  4. Step 4: Simplify right side
    126,840.53x = 12,295,999,871.30
  5. Step 5: Solve for x
    x = 12,295,999,871.30/126,840.53
  6. Step 6: Final answer
    x = 96,940.62

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1.5x scale

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.