Home / 178,631.46-267,598.89-99,507.42

Finding the Fourth Proportional to 178,631.46, 267,598.89 and 99,507.42

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Solution

The fourth proportional to 178,631.46, 267,598.89 and 99,507.42 is: 149,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,631.46 : 267,598.89 = 99,507.42 : x
  2. Step 2: Convert to fraction form
    178,631.46/267,598.89 = 99,507.42/x
  3. Step 3: Cross multiply
    178,631.46x = 267,598.89 × 99,507.42
  4. Step 4: Simplify right side
    178,631.46x = 26,628,075,138.76
  5. Step 5: Solve for x
    x = 26,628,075,138.76/178,631.46
  6. Step 6: Final answer
    x = 149,067.11

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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.