Home / 400,184.54-600,126.15-163,400.48

Finding the Fourth Proportional to 400,184.54, 600,126.15 and 163,400.48

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Solution

The fourth proportional to 400,184.54, 600,126.15 and 163,400.48 is: 245,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,184.54 : 600,126.15 = 163,400.48 : x
  2. Step 2: Convert to fraction form
    400,184.54/600,126.15 = 163,400.48/x
  3. Step 3: Cross multiply
    400,184.54x = 600,126.15 × 163,400.48
  4. Step 4: Simplify right side
    400,184.54x = 98,060,900,970.55
  5. Step 5: Solve for x
    x = 98,060,900,970.55/400,184.54
  6. Step 6: Final answer
    x = 245,039.20

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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.