Home / 163,629.40-245,444.10-134,080.60

Finding the Fourth Proportional to 163,629.40, 245,444.10 and 134,080.60

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Solution

The fourth proportional to 163,629.40, 245,444.10 and 134,080.60 is: 201,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,629.40 : 245,444.10 = 134,080.60 : x
  2. Step 2: Convert to fraction form
    163,629.40/245,444.10 = 134,080.60/x
  3. Step 3: Cross multiply
    163,629.40x = 245,444.10 × 134,080.60
  4. Step 4: Simplify right side
    163,629.40x = 32,909,292,194.46
  5. Step 5: Solve for x
    x = 32,909,292,194.46/163,629.40
  6. Step 6: Final answer
    x = 201,120.90

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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.