Home / 185,678.75-256,236.04-100,795.21

Finding the Fourth Proportional to 185,678.75, 256,236.04 and 100,795.21

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Solution

The fourth proportional to 185,678.75, 256,236.04 and 100,795.21 is: 139,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,678.75 : 256,236.04 = 100,795.21 : x
  2. Step 2: Convert to fraction form
    185,678.75/256,236.04 = 100,795.21/x
  3. Step 3: Cross multiply
    185,678.75x = 256,236.04 × 100,795.21
  4. Step 4: Simplify right side
    185,678.75x = 25,827,365,461.37
  5. Step 5: Solve for x
    x = 25,827,365,461.37/185,678.75
  6. Step 6: Final answer
    x = 139,097.05

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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.