Home / 185,756.08-256,341.06-100,873.72

Finding the Fourth Proportional to 185,756.08, 256,341.06 and 100,873.72

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Solution

The fourth proportional to 185,756.08, 256,341.06 and 100,873.72 is: 139,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.08 : 256,341.06 = 100,873.72 : x
  2. Step 2: Convert to fraction form
    185,756.08/256,341.06 = 100,873.72/x
  3. Step 3: Cross multiply
    185,756.08x = 256,341.06 × 100,873.72
  4. Step 4: Simplify right side
    185,756.08x = 25,858,076,310.94
  5. Step 5: Solve for x
    x = 25,858,076,310.94/185,756.08
  6. Step 6: Final answer
    x = 139,204.47

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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.