Home / 185,192.01-255,561.29-103,519.86

Finding the Fourth Proportional to 185,192.01, 255,561.29 and 103,519.86

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Solution

The fourth proportional to 185,192.01, 255,561.29 and 103,519.86 is: 142,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,192.01 : 255,561.29 = 103,519.86 : x
  2. Step 2: Convert to fraction form
    185,192.01/255,561.29 = 103,519.86/x
  3. Step 3: Cross multiply
    185,192.01x = 255,561.29 × 103,519.86
  4. Step 4: Simplify right side
    185,192.01x = 26,455,668,444.62
  5. Step 5: Solve for x
    x = 26,455,668,444.62/185,192.01
  6. Step 6: Final answer
    x = 142,855.34

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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.