Home / 157,463.12-236,286.16-66,271.82

Finding the Fourth Proportional to 157,463.12, 236,286.16 and 66,271.82

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Solution

The fourth proportional to 157,463.12, 236,286.16 and 66,271.82 is: 99,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,463.12 : 236,286.16 = 66,271.82 : x
  2. Step 2: Convert to fraction form
    157,463.12/236,286.16 = 66,271.82/x
  3. Step 3: Cross multiply
    157,463.12x = 236,286.16 × 66,271.82
  4. Step 4: Simplify right side
    157,463.12x = 15,659,112,516.90
  5. Step 5: Solve for x
    x = 15,659,112,516.90/157,463.12
  6. Step 6: Final answer
    x = 99,446.22

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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.