Home / 185,699.32-256,266.30-100,816.84

Finding the Fourth Proportional to 185,699.32, 256,266.30 and 100,816.84

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Solution

The fourth proportional to 185,699.32, 256,266.30 and 100,816.84 is: 139,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,699.32 : 256,266.30 = 100,816.84 : x
  2. Step 2: Convert to fraction form
    185,699.32/256,266.30 = 100,816.84/x
  3. Step 3: Cross multiply
    185,699.32x = 256,266.30 × 100,816.84
  4. Step 4: Simplify right side
    185,699.32x = 25,835,958,564.49
  5. Step 5: Solve for x
    x = 25,835,958,564.49/185,699.32
  6. Step 6: Final answer
    x = 139,127.91

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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.