Home / 170,828.70-256,473.90-99,824.10

Finding the Fourth Proportional to 170,828.70, 256,473.90 and 99,824.10

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Solution

The fourth proportional to 170,828.70, 256,473.90 and 99,824.10 is: 149,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,828.70 : 256,473.90 = 99,824.10 : x
  2. Step 2: Convert to fraction form
    170,828.70/256,473.90 = 99,824.10/x
  3. Step 3: Cross multiply
    170,828.70x = 256,473.90 × 99,824.10
  4. Step 4: Simplify right side
    170,828.70x = 25,602,276,240.99
  5. Step 5: Solve for x
    x = 25,602,276,240.99/170,828.70
  6. Step 6: Final answer
    x = 149,871.05

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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.