Home / 170,905.93-256,359.53-52,576.45

Finding the Fourth Proportional to 170,905.93, 256,359.53 and 52,576.45

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Solution

The fourth proportional to 170,905.93, 256,359.53 and 52,576.45 is: 78,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,905.93 : 256,359.53 = 52,576.45 : x
  2. Step 2: Convert to fraction form
    170,905.93/256,359.53 = 52,576.45/x
  3. Step 3: Cross multiply
    170,905.93x = 256,359.53 × 52,576.45
  4. Step 4: Simplify right side
    170,905.93x = 13,478,474,011.07
  5. Step 5: Solve for x
    x = 13,478,474,011.07/170,905.93
  6. Step 6: Final answer
    x = 78,864.87

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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.