Home / 170,385.20-255,627.16-70,526.96

Finding the Fourth Proportional to 170,385.20, 255,627.16 and 70,526.96

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Solution

The fourth proportional to 170,385.20, 255,627.16 and 70,526.96 is: 105,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,385.20 : 255,627.16 = 70,526.96 : x
  2. Step 2: Convert to fraction form
    170,385.20/255,627.16 = 70,526.96/x
  3. Step 3: Cross multiply
    170,385.20x = 255,627.16 × 70,526.96
  4. Step 4: Simplify right side
    170,385.20x = 18,028,606,488.23
  5. Step 5: Solve for x
    x = 18,028,606,488.23/170,385.20
  6. Step 6: Final answer
    x = 105,810.87

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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.