Home / 357,931.14-493,948.35-196,787.31

Finding the Fourth Proportional to 357,931.14, 493,948.35 and 196,787.31

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Solution

The fourth proportional to 357,931.14, 493,948.35 and 196,787.31 is: 271,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,931.14 : 493,948.35 = 196,787.31 : x
  2. Step 2: Convert to fraction form
    357,931.14/493,948.35 = 196,787.31/x
  3. Step 3: Cross multiply
    357,931.14x = 493,948.35 × 196,787.31
  4. Step 4: Simplify right side
    357,931.14x = 97,202,767,075.44
  5. Step 5: Solve for x
    x = 97,202,767,075.44/357,931.14
  6. Step 6: Final answer
    x = 271,568.34

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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.