Home / 157,698.28-236,456.52-107,838.78

Finding the Fourth Proportional to 157,698.28, 236,456.52 and 107,838.78

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Solution

The fourth proportional to 157,698.28, 236,456.52 and 107,838.78 is: 161,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,698.28 : 236,456.52 = 107,838.78 : x
  2. Step 2: Convert to fraction form
    157,698.28/236,456.52 = 107,838.78/x
  3. Step 3: Cross multiply
    157,698.28x = 236,456.52 × 107,838.78
  4. Step 4: Simplify right side
    157,698.28x = 25,499,182,639.85
  5. Step 5: Solve for x
    x = 25,499,182,639.85/157,698.28
  6. Step 6: Final answer
    x = 161,696.01

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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.