Home / 185,592.21-256,117.94-100,709.26

Finding the Fourth Proportional to 185,592.21, 256,117.94 and 100,709.26

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Solution

The fourth proportional to 185,592.21, 256,117.94 and 100,709.26 is: 138,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,592.21 : 256,117.94 = 100,709.26 : x
  2. Step 2: Convert to fraction form
    185,592.21/256,117.94 = 100,709.26/x
  3. Step 3: Cross multiply
    185,592.21x = 256,117.94 × 100,709.26
  4. Step 4: Simplify right side
    185,592.21x = 25,793,448,210.12
  5. Step 5: Solve for x
    x = 25,793,448,210.12/185,592.21
  6. Step 6: Final answer
    x = 138,979.15

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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.