Home / 156,969.60-235,454.40-107,203.20

Finding the Fourth Proportional to 156,969.60, 235,454.40 and 107,203.20

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Solution

The fourth proportional to 156,969.60, 235,454.40 and 107,203.20 is: 160,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,969.60 : 235,454.40 = 107,203.20 : x
  2. Step 2: Convert to fraction form
    156,969.60/235,454.40 = 107,203.20/x
  3. Step 3: Cross multiply
    156,969.60x = 235,454.40 × 107,203.20
  4. Step 4: Simplify right side
    156,969.60x = 25,241,465,134.08
  5. Step 5: Solve for x
    x = 25,241,465,134.08/156,969.60
  6. Step 6: Final answer
    x = 160,804.80

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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.