Home / 170,865.40-256,298.10-163,089.40

Finding the Fourth Proportional to 170,865.40, 256,298.10 and 163,089.40

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Solution

The fourth proportional to 170,865.40, 256,298.10 and 163,089.40 is: 244,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865.40 : 256,298.10 = 163,089.40 : x
  2. Step 2: Convert to fraction form
    170,865.40/256,298.10 = 163,089.40/x
  3. Step 3: Cross multiply
    170,865.40x = 256,298.10 × 163,089.40
  4. Step 4: Simplify right side
    170,865.40x = 41,799,503,350.14
  5. Step 5: Solve for x
    x = 41,799,503,350.14/170,865.40
  6. Step 6: Final answer
    x = 244,634.10

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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.