Home / 185,529.49-256,031.34-100,647.16

Finding the Fourth Proportional to 185,529.49, 256,031.34 and 100,647.16

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Solution

The fourth proportional to 185,529.49, 256,031.34 and 100,647.16 is: 138,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,529.49 : 256,031.34 = 100,647.16 : x
  2. Step 2: Convert to fraction form
    185,529.49/256,031.34 = 100,647.16/x
  3. Step 3: Cross multiply
    185,529.49x = 256,031.34 × 100,647.16
  4. Step 4: Simplify right side
    185,529.49x = 25,768,827,241.99
  5. Step 5: Solve for x
    x = 25,768,827,241.99/185,529.49
  6. Step 6: Final answer
    x = 138,893.43

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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.