Home / 109,280.66-163,907.28-30,401.01

Finding the Fourth Proportional to 109,280.66, 163,907.28 and 30,401.01

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Solution

The fourth proportional to 109,280.66, 163,907.28 and 30,401.01 is: 45,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,280.66 : 163,907.28 = 30,401.01 : x
  2. Step 2: Convert to fraction form
    109,280.66/163,907.28 = 30,401.01/x
  3. Step 3: Cross multiply
    109,280.66x = 163,907.28 × 30,401.01
  4. Step 4: Simplify right side
    109,280.66x = 4,982,946,858.35
  5. Step 5: Solve for x
    x = 4,982,946,858.35/109,280.66
  6. Step 6: Final answer
    x = 45,597.70

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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.