Home / 185,930.69-256,579.02-105,384.24

Finding the Fourth Proportional to 185,930.69, 256,579.02 and 105,384.24

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Solution

The fourth proportional to 185,930.69, 256,579.02 and 105,384.24 is: 145,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,930.69 : 256,579.02 = 105,384.24 : x
  2. Step 2: Convert to fraction form
    185,930.69/256,579.02 = 105,384.24/x
  3. Step 3: Cross multiply
    185,930.69x = 256,579.02 × 105,384.24
  4. Step 4: Simplify right side
    185,930.69x = 27,039,385,022.64
  5. Step 5: Solve for x
    x = 27,039,385,022.64/185,930.69
  6. Step 6: Final answer
    x = 145,427.23

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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.