Home / 170,315.11-235,023.58-102,291.66

Finding the Fourth Proportional to 170,315.11, 235,023.58 and 102,291.66

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Solution

The fourth proportional to 170,315.11, 235,023.58 and 102,291.66 is: 141,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,315.11 : 235,023.58 = 102,291.66 : x
  2. Step 2: Convert to fraction form
    170,315.11/235,023.58 = 102,291.66/x
  3. Step 3: Cross multiply
    170,315.11x = 235,023.58 × 102,291.66
  4. Step 4: Simplify right side
    170,315.11x = 24,040,951,689.82
  5. Step 5: Solve for x
    x = 24,040,951,689.82/170,315.11
  6. Step 6: Final answer
    x = 141,155.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.