Home / 185,999.42-256,668.30-101,115.74

Finding the Fourth Proportional to 185,999.42, 256,668.30 and 101,115.74

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Solution

The fourth proportional to 185,999.42, 256,668.30 and 101,115.74 is: 139,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,999.42 : 256,668.30 = 101,115.74 : x
  2. Step 2: Convert to fraction form
    185,999.42/256,668.30 = 101,115.74/x
  3. Step 3: Cross multiply
    185,999.42x = 256,668.30 × 101,115.74
  4. Step 4: Simplify right side
    185,999.42x = 25,953,205,089.04
  5. Step 5: Solve for x
    x = 25,953,205,089.04/185,999.42
  6. Step 6: Final answer
    x = 139,533.80

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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.