Home / 185,529.28-256,030.28-100,646.36

Finding the Fourth Proportional to 185,529.28, 256,030.28 and 100,646.36

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Solution

The fourth proportional to 185,529.28, 256,030.28 and 100,646.36 is: 138,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,529.28 : 256,030.28 = 100,646.36 : x
  2. Step 2: Convert to fraction form
    185,529.28/256,030.28 = 100,646.36/x
  3. Step 3: Cross multiply
    185,529.28x = 256,030.28 × 100,646.36
  4. Step 4: Simplify right side
    185,529.28x = 25,768,515,731.78
  5. Step 5: Solve for x
    x = 25,768,515,731.78/185,529.28
  6. Step 6: Final answer
    x = 138,891.91

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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.