Home / 156,052.40-234,078.60-56,260.40

Finding the Fourth Proportional to 156,052.40, 234,078.60 and 56,260.40

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Solution

The fourth proportional to 156,052.40, 234,078.60 and 56,260.40 is: 84,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,052.40 : 234,078.60 = 56,260.40 : x
  2. Step 2: Convert to fraction form
    156,052.40/234,078.60 = 56,260.40/x
  3. Step 3: Cross multiply
    156,052.40x = 234,078.60 × 56,260.40
  4. Step 4: Simplify right side
    156,052.40x = 13,169,355,667.44
  5. Step 5: Solve for x
    x = 13,169,355,667.44/156,052.40
  6. Step 6: Final answer
    x = 84,390.60

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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.