Home / 126,220.77-174,172.54-69,628.50

Finding the Fourth Proportional to 126,220.77, 174,172.54 and 69,628.50

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Solution

The fourth proportional to 126,220.77, 174,172.54 and 69,628.50 is: 96,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,220.77 : 174,172.54 = 69,628.50 : x
  2. Step 2: Convert to fraction form
    126,220.77/174,172.54 = 69,628.50/x
  3. Step 3: Cross multiply
    126,220.77x = 174,172.54 × 69,628.50
  4. Step 4: Simplify right side
    126,220.77x = 12,127,372,701.39
  5. Step 5: Solve for x
    x = 12,127,372,701.39/126,220.77
  6. Step 6: Final answer
    x = 96,080.64

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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.