Home / 185,677.37-256,235.54-105,120.44

Finding the Fourth Proportional to 185,677.37, 256,235.54 and 105,120.44

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Solution

The fourth proportional to 185,677.37, 256,235.54 and 105,120.44 is: 145,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,677.37 : 256,235.54 = 105,120.44 : x
  2. Step 2: Convert to fraction form
    185,677.37/256,235.54 = 105,120.44/x
  3. Step 3: Cross multiply
    185,677.37x = 256,235.54 × 105,120.44
  4. Step 4: Simplify right side
    185,677.37x = 26,935,592,182.84
  5. Step 5: Solve for x
    x = 26,935,592,182.84/185,677.37
  6. Step 6: Final answer
    x = 145,066.64

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1.5x scale

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.