Home / 299,280.03-413,015.20-163,322.74

Finding the Fourth Proportional to 299,280.03, 413,015.20 and 163,322.74

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Solution

The fourth proportional to 299,280.03, 413,015.20 and 163,322.74 is: 225,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,280.03 : 413,015.20 = 163,322.74 : x
  2. Step 2: Convert to fraction form
    299,280.03/413,015.20 = 163,322.74/x
  3. Step 3: Cross multiply
    299,280.03x = 413,015.20 × 163,322.74
  4. Step 4: Simplify right side
    299,280.03x = 67,454,773,297.26
  5. Step 5: Solve for x
    x = 67,454,773,297.26/299,280.03
  6. Step 6: Final answer
    x = 225,390.16

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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.