Home / 185,864.02-256,505.03-105,292.20

Finding the Fourth Proportional to 185,864.02, 256,505.03 and 105,292.20

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Solution

The fourth proportional to 185,864.02, 256,505.03 and 105,292.20 is: 145,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,864.02 : 256,505.03 = 105,292.20 : x
  2. Step 2: Convert to fraction form
    185,864.02/256,505.03 = 105,292.20/x
  3. Step 3: Cross multiply
    185,864.02x = 256,505.03 × 105,292.20
  4. Step 4: Simplify right side
    185,864.02x = 27,007,979,750.04
  5. Step 5: Solve for x
    x = 27,007,979,750.04/185,864.02
  6. Step 6: Final answer
    x = 145,310.43

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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.