Home / 315,194.06-434,979.95-179,240.27

Finding the Fourth Proportional to 315,194.06, 434,979.95 and 179,240.27

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Solution

The fourth proportional to 315,194.06, 434,979.95 and 179,240.27 is: 247,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,194.06 : 434,979.95 = 179,240.27 : x
  2. Step 2: Convert to fraction form
    315,194.06/434,979.95 = 179,240.27/x
  3. Step 3: Cross multiply
    315,194.06x = 434,979.95 × 179,240.27
  4. Step 4: Simplify right side
    315,194.06x = 77,965,920,611.49
  5. Step 5: Solve for x
    x = 77,965,920,611.49/315,194.06
  6. Step 6: Final answer
    x = 247,358.47

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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.