Home / 157,955.84-236,787.96-79,001.36

Finding the Fourth Proportional to 157,955.84, 236,787.96 and 79,001.36

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Solution

The fourth proportional to 157,955.84, 236,787.96 and 79,001.36 is: 118,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,955.84 : 236,787.96 = 79,001.36 : x
  2. Step 2: Convert to fraction form
    157,955.84/236,787.96 = 79,001.36/x
  3. Step 3: Cross multiply
    157,955.84x = 236,787.96 × 79,001.36
  4. Step 4: Simplify right side
    157,955.84x = 18,706,570,871.63
  5. Step 5: Solve for x
    x = 18,706,570,871.63/157,955.84
  6. Step 6: Final answer
    x = 118,429.12

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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.