Home / 145,094.37-200,240.15-80,566.94

Finding the Fourth Proportional to 145,094.37, 200,240.15 and 80,566.94

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Solution

The fourth proportional to 145,094.37, 200,240.15 and 80,566.94 is: 111,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,094.37 : 200,240.15 = 80,566.94 : x
  2. Step 2: Convert to fraction form
    145,094.37/200,240.15 = 80,566.94/x
  3. Step 3: Cross multiply
    145,094.37x = 200,240.15 × 80,566.94
  4. Step 4: Simplify right side
    145,094.37x = 16,132,734,746.61
  5. Step 5: Solve for x
    x = 16,132,734,746.61/145,094.37
  6. Step 6: Final answer
    x = 111,187.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.