Home / 185,824.20-256,428.54-105,249.72

Finding the Fourth Proportional to 185,824.20, 256,428.54 and 105,249.72

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Solution

The fourth proportional to 185,824.20, 256,428.54 and 105,249.72 is: 145,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,824.20 : 256,428.54 = 105,249.72 : x
  2. Step 2: Convert to fraction form
    185,824.20/256,428.54 = 105,249.72/x
  3. Step 3: Cross multiply
    185,824.20x = 256,428.54 × 105,249.72
  4. Step 4: Simplify right side
    185,824.20x = 26,989,032,035.01
  5. Step 5: Solve for x
    x = 26,989,032,035.01/185,824.20
  6. Step 6: Final answer
    x = 145,239.60

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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.