Home / 164,621.20-246,931.80-163,699.60

Finding the Fourth Proportional to 164,621.20, 246,931.80 and 163,699.60

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Solution

The fourth proportional to 164,621.20, 246,931.80 and 163,699.60 is: 245,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,621.20 : 246,931.80 = 163,699.60 : x
  2. Step 2: Convert to fraction form
    164,621.20/246,931.80 = 163,699.60/x
  3. Step 3: Cross multiply
    164,621.20x = 246,931.80 × 163,699.60
  4. Step 4: Simplify right side
    164,621.20x = 40,422,636,887.28
  5. Step 5: Solve for x
    x = 40,422,636,887.28/164,621.20
  6. Step 6: Final answer
    x = 245,549.40

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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.