Home / 315,194.40-434,951.28-179,209.58

Finding the Fourth Proportional to 315,194.40, 434,951.28 and 179,209.58

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Solution

The fourth proportional to 315,194.40, 434,951.28 and 179,209.58 is: 247,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,194.40 : 434,951.28 = 179,209.58 : x
  2. Step 2: Convert to fraction form
    315,194.40/434,951.28 = 179,209.58/x
  3. Step 3: Cross multiply
    315,194.40x = 434,951.28 × 179,209.58
  4. Step 4: Simplify right side
    315,194.40x = 77,947,434,034.51
  5. Step 5: Solve for x
    x = 77,947,434,034.51/315,194.40
  6. Step 6: Final answer
    x = 247,299.55

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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.