Home / 199,036.32-274,657.68-109,612.32

Finding the Fourth Proportional to 199,036.32, 274,657.68 and 109,612.32

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Solution

The fourth proportional to 199,036.32, 274,657.68 and 109,612.32 is: 151,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,036.32 : 274,657.68 = 109,612.32 : x
  2. Step 2: Convert to fraction form
    199,036.32/274,657.68 = 109,612.32/x
  3. Step 3: Cross multiply
    199,036.32x = 274,657.68 × 109,612.32
  4. Step 4: Simplify right side
    199,036.32x = 30,105,865,510.62
  5. Step 5: Solve for x
    x = 30,105,865,510.62/199,036.32
  6. Step 6: Final answer
    x = 151,258.15

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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.