Home / 102,317.40-153,465.42-27,445.56

Finding the Fourth Proportional to 102,317.40, 153,465.42 and 27,445.56

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Solution

The fourth proportional to 102,317.40, 153,465.42 and 27,445.56 is: 41,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,317.40 : 153,465.42 = 27,445.56 : x
  2. Step 2: Convert to fraction form
    102,317.40/153,465.42 = 27,445.56/x
  3. Step 3: Cross multiply
    102,317.40x = 153,465.42 × 27,445.56
  4. Step 4: Simplify right side
    102,317.40x = 4,211,944,392.54
  5. Step 5: Solve for x
    x = 4,211,944,392.54/102,317.40
  6. Step 6: Final answer
    x = 41,165.48

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1.5x scale

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.