Home / 126,245.69-174,219.64-69,657.06

Finding the Fourth Proportional to 126,245.69, 174,219.64 and 69,657.06

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Solution

The fourth proportional to 126,245.69, 174,219.64 and 69,657.06 is: 96,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,245.69 : 174,219.64 = 69,657.06 : x
  2. Step 2: Convert to fraction form
    126,245.69/174,219.64 = 69,657.06/x
  3. Step 3: Cross multiply
    126,245.69x = 174,219.64 × 69,657.06
  4. Step 4: Simplify right side
    126,245.69x = 12,135,627,916.66
  5. Step 5: Solve for x
    x = 12,135,627,916.66/126,245.69
  6. Step 6: Final answer
    x = 96,127.07

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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.