Home / 156,341.16-234,454.26-53,729.35

Finding the Fourth Proportional to 156,341.16, 234,454.26 and 53,729.35

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Solution

The fourth proportional to 156,341.16, 234,454.26 and 53,729.35 is: 80,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,341.16 : 234,454.26 = 53,729.35 : x
  2. Step 2: Convert to fraction form
    156,341.16/234,454.26 = 53,729.35/x
  3. Step 3: Cross multiply
    156,341.16x = 234,454.26 × 53,729.35
  4. Step 4: Simplify right side
    156,341.16x = 12,597,074,408.40
  5. Step 5: Solve for x
    x = 12,597,074,408.40/156,341.16
  6. Step 6: Final answer
    x = 80,574.27

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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.