Home / 185,784.80-256,373.45-100,901.66

Finding the Fourth Proportional to 185,784.80, 256,373.45 and 100,901.66

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Solution

The fourth proportional to 185,784.80, 256,373.45 and 100,901.66 is: 139,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,784.80 : 256,373.45 = 100,901.66 : x
  2. Step 2: Convert to fraction form
    185,784.80/256,373.45 = 100,901.66/x
  3. Step 3: Cross multiply
    185,784.80x = 256,373.45 × 100,901.66
  4. Step 4: Simplify right side
    185,784.80x = 25,868,504,898.55
  5. Step 5: Solve for x
    x = 25,868,504,898.55/185,784.80
  6. Step 6: Final answer
    x = 139,239.09

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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.