Home / 299,497.03-413,302.72-163,530.55

Finding the Fourth Proportional to 299,497.03, 413,302.72 and 163,530.55

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Solution

The fourth proportional to 299,497.03, 413,302.72 and 163,530.55 is: 225,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,497.03 : 413,302.72 = 163,530.55 : x
  2. Step 2: Convert to fraction form
    299,497.03/413,302.72 = 163,530.55/x
  3. Step 3: Cross multiply
    299,497.03x = 413,302.72 × 163,530.55
  4. Step 4: Simplify right side
    299,497.03x = 67,587,621,118.10
  5. Step 5: Solve for x
    x = 67,587,621,118.10/299,497.03
  6. Step 6: Final answer
    x = 225,670.42

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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.