Home / 185,094.76-255,430.90-100,211.88

Finding the Fourth Proportional to 185,094.76, 255,430.90 and 100,211.88

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Solution

The fourth proportional to 185,094.76, 255,430.90 and 100,211.88 is: 138,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,094.76 : 255,430.90 = 100,211.88 : x
  2. Step 2: Convert to fraction form
    185,094.76/255,430.90 = 100,211.88/x
  3. Step 3: Cross multiply
    185,094.76x = 255,430.90 × 100,211.88
  4. Step 4: Simplify right side
    185,094.76x = 25,597,210,699.09
  5. Step 5: Solve for x
    x = 25,597,210,699.09/185,094.76
  6. Step 6: Final answer
    x = 138,292.47

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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.