Home / 291,830.78-402,657.95-177,106.74

Finding the Fourth Proportional to 291,830.78, 402,657.95 and 177,106.74

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Solution

The fourth proportional to 291,830.78, 402,657.95 and 177,106.74 is: 244,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,830.78 : 402,657.95 = 177,106.74 : x
  2. Step 2: Convert to fraction form
    291,830.78/402,657.95 = 177,106.74/x
  3. Step 3: Cross multiply
    291,830.78x = 402,657.95 × 177,106.74
  4. Step 4: Simplify right side
    291,830.78x = 71,313,435,974.05
  5. Step 5: Solve for x
    x = 71,313,435,974.05/291,830.78
  6. Step 6: Final answer
    x = 244,365.71

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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.