Home / 185,549.84-256,056.48-100,666.28

Finding the Fourth Proportional to 185,549.84, 256,056.48 and 100,666.28

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Solution

The fourth proportional to 185,549.84, 256,056.48 and 100,666.28 is: 138,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.84 : 256,056.48 = 100,666.28 : x
  2. Step 2: Convert to fraction form
    185,549.84/256,056.48 = 100,666.28/x
  3. Step 3: Cross multiply
    185,549.84x = 256,056.48 × 100,666.28
  4. Step 4: Simplify right side
    185,549.84x = 25,776,253,311.49
  5. Step 5: Solve for x
    x = 25,776,253,311.49/185,549.84
  6. Step 6: Final answer
    x = 138,918.22

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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.