Home / 185,666.15-256,217.63-100,783.14

Finding the Fourth Proportional to 185,666.15, 256,217.63 and 100,783.14

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Solution

The fourth proportional to 185,666.15, 256,217.63 and 100,783.14 is: 139,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,666.15 : 256,217.63 = 100,783.14 : x
  2. Step 2: Convert to fraction form
    185,666.15/256,217.63 = 100,783.14/x
  3. Step 3: Cross multiply
    185,666.15x = 256,217.63 × 100,783.14
  4. Step 4: Simplify right side
    185,666.15x = 25,822,416,770.84
  5. Step 5: Solve for x
    x = 25,822,416,770.84/185,666.15
  6. Step 6: Final answer
    x = 139,079.83

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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.