Home / 157,929.44-217,944.23-86,309.46

Finding the Fourth Proportional to 157,929.44, 217,944.23 and 86,309.46

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Solution

The fourth proportional to 157,929.44, 217,944.23 and 86,309.46 is: 119,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,929.44 : 217,944.23 = 86,309.46 : x
  2. Step 2: Convert to fraction form
    157,929.44/217,944.23 = 86,309.46/x
  3. Step 3: Cross multiply
    157,929.44x = 217,944.23 × 86,309.46
  4. Step 4: Simplify right side
    157,929.44x = 18,810,648,369.87
  5. Step 5: Solve for x
    x = 18,810,648,369.87/157,929.44
  6. Step 6: Final answer
    x = 119,107.93

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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.