Home / 156,421.76-234,632.52-56,558.54

Finding the Fourth Proportional to 156,421.76, 234,632.52 and 56,558.54

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Solution

The fourth proportional to 156,421.76, 234,632.52 and 56,558.54 is: 84,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,421.76 : 234,632.52 = 56,558.54 : x
  2. Step 2: Convert to fraction form
    156,421.76/234,632.52 = 56,558.54/x
  3. Step 3: Cross multiply
    156,421.76x = 234,632.52 × 56,558.54
  4. Step 4: Simplify right side
    156,421.76x = 13,270,472,767.72
  5. Step 5: Solve for x
    x = 13,270,472,767.72/156,421.76
  6. Step 6: Final answer
    x = 84,837.77

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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.