Home / 157,385-236,123.74-46,579.88

Finding the Fourth Proportional to 157,385, 236,123.74 and 46,579.88

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Solution

The fourth proportional to 157,385, 236,123.74 and 46,579.88 is: 69,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,385 : 236,123.74 = 46,579.88 : x
  2. Step 2: Convert to fraction form
    157,385/236,123.74 = 46,579.88/x
  3. Step 3: Cross multiply
    157,385x = 236,123.74 × 46,579.88
  4. Step 4: Simplify right side
    157,385x = 10,998,615,474.35
  5. Step 5: Solve for x
    x = 10,998,615,474.35/157,385
  6. Step 6: Final answer
    x = 69,883.51

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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.