Home / 185,549.90-256,059.32-100,666.94

Finding the Fourth Proportional to 185,549.90, 256,059.32 and 100,666.94

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Solution

The fourth proportional to 185,549.90, 256,059.32 and 100,666.94 is: 138,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.90 : 256,059.32 = 100,666.94 : x
  2. Step 2: Convert to fraction form
    185,549.90/256,059.32 = 100,666.94/x
  3. Step 3: Cross multiply
    185,549.90x = 256,059.32 × 100,666.94
  4. Step 4: Simplify right side
    185,549.90x = 25,776,706,419.25
  5. Step 5: Solve for x
    x = 25,776,706,419.25/185,549.90
  6. Step 6: Final answer
    x = 138,920.62

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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.