Home / 185,717.91-256,290.75-100,835.00

Finding the Fourth Proportional to 185,717.91, 256,290.75 and 100,835.00

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Solution

The fourth proportional to 185,717.91, 256,290.75 and 100,835.00 is: 139,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,717.91 : 256,290.75 = 100,835.00 : x
  2. Step 2: Convert to fraction form
    185,717.91/256,290.75 = 100,835.00/x
  3. Step 3: Cross multiply
    185,717.91x = 256,290.75 × 100,835.00
  4. Step 4: Simplify right side
    185,717.91x = 25,843,076,494.80
  5. Step 5: Solve for x
    x = 25,843,076,494.80/185,717.91
  6. Step 6: Final answer
    x = 139,152.31

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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.