Home / 185,770.18-256,364.73-100,888.90

Finding the Fourth Proportional to 185,770.18, 256,364.73 and 100,888.90

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Solution

The fourth proportional to 185,770.18, 256,364.73 and 100,888.90 is: 139,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,770.18 : 256,364.73 = 100,888.90 : x
  2. Step 2: Convert to fraction form
    185,770.18/256,364.73 = 100,888.90/x
  3. Step 3: Cross multiply
    185,770.18x = 256,364.73 × 100,888.90
  4. Step 4: Simplify right side
    185,770.18x = 25,864,355,608.50
  5. Step 5: Solve for x
    x = 25,864,355,608.50/185,770.18
  6. Step 6: Final answer
    x = 139,227.70

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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.