Home / 185,261.59-277,898.06-128,279.71

Finding the Fourth Proportional to 185,261.59, 277,898.06 and 128,279.71

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Solution

The fourth proportional to 185,261.59, 277,898.06 and 128,279.71 is: 192,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,261.59 : 277,898.06 = 128,279.71 : x
  2. Step 2: Convert to fraction form
    185,261.59/277,898.06 = 128,279.71/x
  3. Step 3: Cross multiply
    185,261.59x = 277,898.06 × 128,279.71
  4. Step 4: Simplify right side
    185,261.59x = 35,648,682,546.36
  5. Step 5: Solve for x
    x = 35,648,682,546.36/185,261.59
  6. Step 6: Final answer
    x = 192,423.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.