Home / 185,623.59-256,160.70-100,740.63

Finding the Fourth Proportional to 185,623.59, 256,160.70 and 100,740.63

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Solution

The fourth proportional to 185,623.59, 256,160.70 and 100,740.63 is: 139,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,623.59 : 256,160.70 = 100,740.63 : x
  2. Step 2: Convert to fraction form
    185,623.59/256,160.70 = 100,740.63/x
  3. Step 3: Cross multiply
    185,623.59x = 256,160.70 × 100,740.63
  4. Step 4: Simplify right side
    185,623.59x = 25,805,790,299.24
  5. Step 5: Solve for x
    x = 25,805,790,299.24/185,623.59
  6. Step 6: Final answer
    x = 139,022.15

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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.