Home / 157,481.11-236,186.69-45,160.84

Finding the Fourth Proportional to 157,481.11, 236,186.69 and 45,160.84

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Solution

The fourth proportional to 157,481.11, 236,186.69 and 45,160.84 is: 67,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,481.11 : 236,186.69 = 45,160.84 : x
  2. Step 2: Convert to fraction form
    157,481.11/236,186.69 = 45,160.84/x
  3. Step 3: Cross multiply
    157,481.11x = 236,186.69 × 45,160.84
  4. Step 4: Simplify right side
    157,481.11x = 10,666,389,386.65
  5. Step 5: Solve for x
    x = 10,666,389,386.65/157,481.11
  6. Step 6: Final answer
    x = 67,731.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.