Home / 156,009.20-234,013.80-132,389.60

Finding the Fourth Proportional to 156,009.20, 234,013.80 and 132,389.60

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Solution

The fourth proportional to 156,009.20, 234,013.80 and 132,389.60 is: 198,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,009.20 : 234,013.80 = 132,389.60 : x
  2. Step 2: Convert to fraction form
    156,009.20/234,013.80 = 132,389.60/x
  3. Step 3: Cross multiply
    156,009.20x = 234,013.80 × 132,389.60
  4. Step 4: Simplify right side
    156,009.20x = 30,980,993,376.48
  5. Step 5: Solve for x
    x = 30,980,993,376.48/156,009.20
  6. Step 6: Final answer
    x = 198,584.40

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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.