Home / 156,052.60-234,078.90-96,128.80

Finding the Fourth Proportional to 156,052.60, 234,078.90 and 96,128.80

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Solution

The fourth proportional to 156,052.60, 234,078.90 and 96,128.80 is: 144,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,052.60 : 234,078.90 = 96,128.80 : x
  2. Step 2: Convert to fraction form
    156,052.60/234,078.90 = 96,128.80/x
  3. Step 3: Cross multiply
    156,052.60x = 234,078.90 × 96,128.80
  4. Step 4: Simplify right side
    156,052.60x = 22,501,723,762.32
  5. Step 5: Solve for x
    x = 22,501,723,762.32/156,052.60
  6. Step 6: Final answer
    x = 144,193.20

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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.