Home / 156,239.30-234,369.99-77,332.34

Finding the Fourth Proportional to 156,239.30, 234,369.99 and 77,332.34

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Solution

The fourth proportional to 156,239.30, 234,369.99 and 77,332.34 is: 116,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,239.30 : 234,369.99 = 77,332.34 : x
  2. Step 2: Convert to fraction form
    156,239.30/234,369.99 = 77,332.34/x
  3. Step 3: Cross multiply
    156,239.30x = 234,369.99 × 77,332.34
  4. Step 4: Simplify right side
    156,239.30x = 18,124,380,338.40
  5. Step 5: Solve for x
    x = 18,124,380,338.40/156,239.30
  6. Step 6: Final answer
    x = 116,003.98

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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.