Home / 131,115.46-180,501.96-125,090.08

Finding the Fourth Proportional to 131,115.46, 180,501.96 and 125,090.08

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Solution

The fourth proportional to 131,115.46, 180,501.96 and 125,090.08 is: 172,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,115.46 : 180,501.96 = 125,090.08 : x
  2. Step 2: Convert to fraction form
    131,115.46/180,501.96 = 125,090.08/x
  3. Step 3: Cross multiply
    131,115.46x = 180,501.96 × 125,090.08
  4. Step 4: Simplify right side
    131,115.46x = 22,579,004,616.56
  5. Step 5: Solve for x
    x = 22,579,004,616.56/131,115.46
  6. Step 6: Final answer
    x = 172,207.04

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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.