Home / 185,206.32-277,618.77-72,840.98

Finding the Fourth Proportional to 185,206.32, 277,618.77 and 72,840.98

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Solution

The fourth proportional to 185,206.32, 277,618.77 and 72,840.98 is: 109,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,206.32 : 277,618.77 = 72,840.98 : x
  2. Step 2: Convert to fraction form
    185,206.32/277,618.77 = 72,840.98/x
  3. Step 3: Cross multiply
    185,206.32x = 277,618.77 × 72,840.98
  4. Step 4: Simplify right side
    185,206.32x = 20,222,021,885.10
  5. Step 5: Solve for x
    x = 20,222,021,885.10/185,206.32
  6. Step 6: Final answer
    x = 109,186.46

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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.