Home / 170,830.90-256,246.35-168,498.10

Finding the Fourth Proportional to 170,830.90, 256,246.35 and 168,498.10

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Solution

The fourth proportional to 170,830.90, 256,246.35 and 168,498.10 is: 252,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.90 : 256,246.35 = 168,498.10 : x
  2. Step 2: Convert to fraction form
    170,830.90/256,246.35 = 168,498.10/x
  3. Step 3: Cross multiply
    170,830.90x = 256,246.35 × 168,498.10
  4. Step 4: Simplify right side
    170,830.90x = 43,177,023,106.94
  5. Step 5: Solve for x
    x = 43,177,023,106.94/170,830.90
  6. Step 6: Final answer
    x = 252,747.15

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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.