Home / 157,361.40-236,111.86-82,463.74

Finding the Fourth Proportional to 157,361.40, 236,111.86 and 82,463.74

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Solution

The fourth proportional to 157,361.40, 236,111.86 and 82,463.74 is: 123,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,361.40 : 236,111.86 = 82,463.74 : x
  2. Step 2: Convert to fraction form
    157,361.40/236,111.86 = 82,463.74/x
  3. Step 3: Cross multiply
    157,361.40x = 236,111.86 × 82,463.74
  4. Step 4: Simplify right side
    157,361.40x = 19,470,666,546.76
  5. Step 5: Solve for x
    x = 19,470,666,546.76/157,361.40
  6. Step 6: Final answer
    x = 123,732.16

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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.