Home / 126,328.02-174,331.17-69,738.18

Finding the Fourth Proportional to 126,328.02, 174,331.17 and 69,738.18

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Solution

The fourth proportional to 126,328.02, 174,331.17 and 69,738.18 is: 96,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,328.02 : 174,331.17 = 69,738.18 : x
  2. Step 2: Convert to fraction form
    126,328.02/174,331.17 = 69,738.18/x
  3. Step 3: Cross multiply
    126,328.02x = 174,331.17 × 69,738.18
  4. Step 4: Simplify right side
    126,328.02x = 12,157,538,513.07
  5. Step 5: Solve for x
    x = 12,157,538,513.07/126,328.02
  6. Step 6: Final answer
    x = 96,237.86

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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.