Home / 170,758.10-235,536.21-103,690.10

Finding the Fourth Proportional to 170,758.10, 235,536.21 and 103,690.10

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Solution

The fourth proportional to 170,758.10, 235,536.21 and 103,690.10 is: 143,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,758.10 : 235,536.21 = 103,690.10 : x
  2. Step 2: Convert to fraction form
    170,758.10/235,536.21 = 103,690.10/x
  3. Step 3: Cross multiply
    170,758.10x = 235,536.21 × 103,690.10
  4. Step 4: Simplify right side
    170,758.10x = 24,422,773,168.52
  5. Step 5: Solve for x
    x = 24,422,773,168.52/170,758.10
  6. Step 6: Final answer
    x = 143,025.56

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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.