Home / 156,632.40-234,970.20-56,768.40

Finding the Fourth Proportional to 156,632.40, 234,970.20 and 56,768.40

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Solution

The fourth proportional to 156,632.40, 234,970.20 and 56,768.40 is: 85,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,632.40 : 234,970.20 = 56,768.40 : x
  2. Step 2: Convert to fraction form
    156,632.40/234,970.20 = 56,768.40/x
  3. Step 3: Cross multiply
    156,632.40x = 234,970.20 × 56,768.40
  4. Step 4: Simplify right side
    156,632.40x = 13,338,882,301.68
  5. Step 5: Solve for x
    x = 13,338,882,301.68/156,632.40
  6. Step 6: Final answer
    x = 85,160.43

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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.