Home / 126,225.15-174,190.69-69,636.52

Finding the Fourth Proportional to 126,225.15, 174,190.69 and 69,636.52

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Solution

The fourth proportional to 126,225.15, 174,190.69 and 69,636.52 is: 96,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225.15 : 174,190.69 = 69,636.52 : x
  2. Step 2: Convert to fraction form
    126,225.15/174,190.69 = 69,636.52/x
  3. Step 3: Cross multiply
    126,225.15x = 174,190.69 × 69,636.52
  4. Step 4: Simplify right side
    126,225.15x = 12,130,033,468.00
  5. Step 5: Solve for x
    x = 12,130,033,468.00/126,225.15
  6. Step 6: Final answer
    x = 96,098.39

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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.