Home / 341,917.38-512,947.35-105,248.34

Finding the Fourth Proportional to 341,917.38, 512,947.35 and 105,248.34

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Solution

The fourth proportional to 341,917.38, 512,947.35 and 105,248.34 is: 157,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,917.38 : 512,947.35 = 105,248.34 : x
  2. Step 2: Convert to fraction form
    341,917.38/512,947.35 = 105,248.34/x
  3. Step 3: Cross multiply
    341,917.38x = 512,947.35 × 105,248.34
  4. Step 4: Simplify right side
    341,917.38x = 53,986,857,094.90
  5. Step 5: Solve for x
    x = 53,986,857,094.90/341,917.38
  6. Step 6: Final answer
    x = 157,894.45

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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.