Home / 185,624.48-256,161.84-100,741.52

Finding the Fourth Proportional to 185,624.48, 256,161.84 and 100,741.52

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Solution

The fourth proportional to 185,624.48, 256,161.84 and 100,741.52 is: 139,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,624.48 : 256,161.84 = 100,741.52 : x
  2. Step 2: Convert to fraction form
    185,624.48/256,161.84 = 100,741.52/x
  3. Step 3: Cross multiply
    185,624.48x = 256,161.84 × 100,741.52
  4. Step 4: Simplify right side
    185,624.48x = 25,806,133,127.60
  5. Step 5: Solve for x
    x = 25,806,133,127.60/185,624.48
  6. Step 6: Final answer
    x = 139,023.33

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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.