Home / 156,094.93-234,142.09-120,607.82

Finding the Fourth Proportional to 156,094.93, 234,142.09 and 120,607.82

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Solution

The fourth proportional to 156,094.93, 234,142.09 and 120,607.82 is: 180,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,094.93 : 234,142.09 = 120,607.82 : x
  2. Step 2: Convert to fraction form
    156,094.93/234,142.09 = 120,607.82/x
  3. Step 3: Cross multiply
    156,094.93x = 234,142.09 × 120,607.82
  4. Step 4: Simplify right side
    156,094.93x = 28,239,367,129.37
  5. Step 5: Solve for x
    x = 28,239,367,129.37/156,094.93
  6. Step 6: Final answer
    x = 180,911.49

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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.