Home / 185,771.48-256,355.08-100,888.34

Finding the Fourth Proportional to 185,771.48, 256,355.08 and 100,888.34

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Solution

The fourth proportional to 185,771.48, 256,355.08 and 100,888.34 is: 139,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,771.48 : 256,355.08 = 100,888.34 : x
  2. Step 2: Convert to fraction form
    185,771.48/256,355.08 = 100,888.34/x
  3. Step 3: Cross multiply
    185,771.48x = 256,355.08 × 100,888.34
  4. Step 4: Simplify right side
    185,771.48x = 25,863,236,937.77
  5. Step 5: Solve for x
    x = 25,863,236,937.77/185,771.48
  6. Step 6: Final answer
    x = 139,220.71

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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.