Home / 156,536.20-234,782.34-51,341.50

Finding the Fourth Proportional to 156,536.20, 234,782.34 and 51,341.50

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Solution

The fourth proportional to 156,536.20, 234,782.34 and 51,341.50 is: 77,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,536.20 : 234,782.34 = 51,341.50 : x
  2. Step 2: Convert to fraction form
    156,536.20/234,782.34 = 51,341.50/x
  3. Step 3: Cross multiply
    156,536.20x = 234,782.34 × 51,341.50
  4. Step 4: Simplify right side
    156,536.20x = 12,054,077,509.11
  5. Step 5: Solve for x
    x = 12,054,077,509.11/156,536.20
  6. Step 6: Final answer
    x = 77,005.05

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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.