Home / 156,723.18-235,101.18-51,550.35

Finding the Fourth Proportional to 156,723.18, 235,101.18 and 51,550.35

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Solution

The fourth proportional to 156,723.18, 235,101.18 and 51,550.35 is: 77,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,723.18 : 235,101.18 = 51,550.35 : x
  2. Step 2: Convert to fraction form
    156,723.18/235,101.18 = 51,550.35/x
  3. Step 3: Cross multiply
    156,723.18x = 235,101.18 × 51,550.35
  4. Step 4: Simplify right side
    156,723.18x = 12,119,548,114.41
  5. Step 5: Solve for x
    x = 12,119,548,114.41/156,723.18
  6. Step 6: Final answer
    x = 77,330.92

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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.