Home / 185,624.28-256,161.64-100,741.32

Finding the Fourth Proportional to 185,624.28, 256,161.64 and 100,741.32

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Solution

The fourth proportional to 185,624.28, 256,161.64 and 100,741.32 is: 139,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,624.28 : 256,161.64 = 100,741.32 : x
  2. Step 2: Convert to fraction form
    185,624.28/256,161.64 = 100,741.32/x
  3. Step 3: Cross multiply
    185,624.28x = 256,161.64 × 100,741.32
  4. Step 4: Simplify right side
    185,624.28x = 25,806,061,746.96
  5. Step 5: Solve for x
    x = 25,806,061,746.96/185,624.28
  6. Step 6: Final answer
    x = 139,023.09

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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.