Home / 156,955.60-235,433.40-107,189.20

Finding the Fourth Proportional to 156,955.60, 235,433.40 and 107,189.20

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Solution

The fourth proportional to 156,955.60, 235,433.40 and 107,189.20 is: 160,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.60 : 235,433.40 = 107,189.20 : x
  2. Step 2: Convert to fraction form
    156,955.60/235,433.40 = 107,189.20/x
  3. Step 3: Cross multiply
    156,955.60x = 235,433.40 × 107,189.20
  4. Step 4: Simplify right side
    156,955.60x = 25,235,917,799.28
  5. Step 5: Solve for x
    x = 25,235,917,799.28/156,955.60
  6. Step 6: Final answer
    x = 160,783.80

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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.