Home / 236,995.16-327,040.08-129,543.80

Finding the Fourth Proportional to 236,995.16, 327,040.08 and 129,543.80

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Solution

The fourth proportional to 236,995.16, 327,040.08 and 129,543.80 is: 178,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,995.16 : 327,040.08 = 129,543.80 : x
  2. Step 2: Convert to fraction form
    236,995.16/327,040.08 = 129,543.80/x
  3. Step 3: Cross multiply
    236,995.16x = 327,040.08 × 129,543.80
  4. Step 4: Simplify right side
    236,995.16x = 42,366,014,715.50
  5. Step 5: Solve for x
    x = 42,366,014,715.50/236,995.16
  6. Step 6: Final answer
    x = 178,763.21

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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.