Home / 228,122.70-314,811.38-126,155.03

Finding the Fourth Proportional to 228,122.70, 314,811.38 and 126,155.03

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Solution

The fourth proportional to 228,122.70, 314,811.38 and 126,155.03 is: 174,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,122.70 : 314,811.38 = 126,155.03 : x
  2. Step 2: Convert to fraction form
    228,122.70/314,811.38 = 126,155.03/x
  3. Step 3: Cross multiply
    228,122.70x = 314,811.38 × 126,155.03
  4. Step 4: Simplify right side
    228,122.70x = 39,715,036,883.41
  5. Step 5: Solve for x
    x = 39,715,036,883.41/228,122.70
  6. Step 6: Final answer
    x = 174,095.07

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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.