Home / 448,284.40-672,426.60-163,974.40

Finding the Fourth Proportional to 448,284.40, 672,426.60 and 163,974.40

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Solution

The fourth proportional to 448,284.40, 672,426.60 and 163,974.40 is: 245,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,284.40 : 672,426.60 = 163,974.40 : x
  2. Step 2: Convert to fraction form
    448,284.40/672,426.60 = 163,974.40/x
  3. Step 3: Cross multiply
    448,284.40x = 672,426.60 × 163,974.40
  4. Step 4: Simplify right side
    448,284.40x = 110,260,748,279.04
  5. Step 5: Solve for x
    x = 110,260,748,279.04/448,284.40
  6. Step 6: Final answer
    x = 245,961.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.