Home / 446,109.43-615,614.56-242,155.88

Finding the Fourth Proportional to 446,109.43, 615,614.56 and 242,155.88

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Solution

The fourth proportional to 446,109.43, 615,614.56 and 242,155.88 is: 334,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,109.43 : 615,614.56 = 242,155.88 : x
  2. Step 2: Convert to fraction form
    446,109.43/615,614.56 = 242,155.88/x
  3. Step 3: Cross multiply
    446,109.43x = 615,614.56 × 242,155.88
  4. Step 4: Simplify right side
    446,109.43x = 149,074,685,517.61
  5. Step 5: Solve for x
    x = 149,074,685,517.61/446,109.43
  6. Step 6: Final answer
    x = 334,166.18

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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.